Merge changes from topic "threadnetwork-apex" into main

* changes:
  Move threadnetwork HAL to VAPEX
  Mark threadnetwork HAL as updatable-via-apex
  Add apexkey "com.android.hardware"

apexkey/Android.bp

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+apex_key {
+    name: "com.android.hardware.key",
+    public_key: "com.android.hardware.avbpubkey",
+    private_key: "com.android.hardware.pem",
+}
+
+android_app_certificate {
+    name: "com.android.hardware.certificate",
+    certificate: "com.android.hardware",
+}

apexkey/com.android.hardware.pem

@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
+MIIJQwIBADANBgkqhkiG9w0BAQEFAASCCS0wggkpAgEAAoICAQCmirL5vFcGDqg9
+JqKZwRqzPr76t8aqJSu+UOdnlmqBLmUBaeun2KwRsZiLku933m5MNv+CPnVQW7ij
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+rWnazDdd1WkHT6+nzA/NX24OzPjiUk0=
+-----END PRIVATE KEY-----

apexkey/com.android.hardware.x509.pem

@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----
+MIIF6TCCA9ECFDAU6pJXjblHA/w9a354h2QUOharMA0GCSqGSIb3DQEBCwUAMIGv
+MQswCQYDVQQGEwJVUzETMBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91
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+GA80NzYxMDcyMDA2MTgxNlowga8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxp
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+gngrtH3jmEwMME71HDyXHlcCIIt95odXoBSBKgk=
+-----END CERTIFICATE-----

compatibility_matrices/compatibility_matrix.9.xml

@@ -787,7 +787,7 @@
             <regex-instance>.*</regex-instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl" optional="true" updatable-via-apex="true">
         <name>android.hardware.threadnetwork</name>
         <version>1</version>
         <interface>

threadnetwork/aidl/default/Android.bp

@@ -9,22 +9,21 @@
 //  in whole or in part, without the express written permission of
 //  Google LLC.
 
-cc_defaults {
-    name: "threadnetwork_service_default",
-    vintf_fragments: ["threadnetwork-default.xml"],
+cc_binary {
+    name: "android.hardware.threadnetwork-service",
     vendor: true,
     relative_install_path: "hw",
 
     shared_libs: [
-        "android.hardware.threadnetwork-V1-ndk",
-        "libbase",
         "libbinder_ndk",
-        "libcutils",
         "liblog",
-        "libutils",
     ],
 
     static_libs: [
+        "android.hardware.threadnetwork-V1-ndk",
+        "libbase",
+        "libcutils",
+        "libutils",
         "openthread-common",
         "openthread-hdlc",
         "openthread-platform",
@@ -33,6 +32,8 @@ cc_defaults {
         "openthread-url",
     ],
 
+    stl: "c++_static",
+
     srcs: [
         "main.cpp",
         "service.cpp",
@@ -41,22 +42,10 @@ cc_defaults {
     ],
 }
 
-cc_binary {
-    name: "android.hardware.threadnetwork-service.sim",
-    defaults: ["threadnetwork_service_default"],
-    init_rc: ["android.hardware.threadnetwork-service.sim.rc"],
-    required: ["ot-rcp"],
-}
-
-cc_binary {
-    name: "android.hardware.threadnetwork-service",
-    defaults: ["threadnetwork_service_default"],
-}
-
 cc_fuzz {
     name: "android.hardware.threadnetwork-service.fuzzer",
 
-    defaults:["service_fuzzer_defaults"],
+    defaults: ["service_fuzzer_defaults"],
     shared_libs: [
         "libbinder_ndk",
     ],
@@ -85,3 +74,36 @@ cc_fuzz {
         ],
     },
 }
+
+prebuilt_etc {
+    name: "threadnetwork-default.xml",
+    src: "threadnetwork-default.xml",
+    sub_dir: "vintf",
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "threadnetwork-service-sim.rc",
+    src: "threadnetwork-service-sim.rc",
+    installable: false,
+}
+
+apex {
+    name: "com.android.hardware.threadnetwork",
+    manifest: "manifest.json",
+    file_contexts: "file_contexts",
+    key: "com.android.hardware.key",
+    certificate: ":com.android.hardware.certificate",
+    updatable: false,
+    vendor: true,
+
+    binaries: [
+        "android.hardware.threadnetwork-service",
+        "ot-rcp",
+    ],
+    prebuilts: [
+        "threadnetwork-default.xml", // vintf_fragment
+        "threadnetwork-service-sim.rc", // init_rc
+        "android.hardware.thread_network.prebuilt.xml", // permission
+    ],
+}

threadnetwork/aidl/default/android.hardware.threadnetwork-service.sim.rc

@@ -1,3 +0,0 @@
-service vendor.threadnetwork_hal /vendor/bin/hw/android.hardware.threadnetwork-service.sim spinel+hdlc+forkpty:///vendor/bin/ot-rcp?forkpty-arg=1
-    class hal
-    user thread_network

threadnetwork/aidl/default/file_contexts

@@ -0,0 +1,4 @@
+(/.*)?                                                      u:object_r:vendor_file:s0
+/etc(/.*)?                                                  u:object_r:vendor_configs_file:s0
+/bin/hw/android\.hardware\.threadnetwork-service            u:object_r:hal_threadnetwork_default_exec:s0
+/bin/ot-rcp                                                 u:object_r:ot_rcp_exec:s0

threadnetwork/aidl/default/manifest.json

@@ -0,0 +1,4 @@
+{
+    "name": "com.android.hardware.threadnetwork",
+    "version": 1
+}

threadnetwork/aidl/default/threadnetwork-service-sim.rc

@@ -0,0 +1,3 @@
+service vendor.threadnetwork_hal /apex/com.android.hardware.threadnetwork/bin/hw/android.hardware.threadnetwork-service spinel+hdlc+forkpty:///apex/com.android.hardware.threadnetwork/bin/ot-rcp?forkpty-arg=1
+    class hal
+    user thread_network