Add memtrack HAL APEX

Bug: 300011626
Test: VtsHalMemtrackTargetTest
Change-Id: Ibc4d8eda2264c19173dee4165ebd977257b3f3d5

memtrack/aidl/default/Android.bp

@@ -37,3 +37,56 @@ cc_binary {
         "Memtrack.cpp",
     ],
 }
+
+cc_binary {
+    name: "android.hardware.memtrack-service.apex",
+    stem: "android.hardware.memtrack-service.example",
+    relative_install_path: "hw",
+    vendor: true,
+
+    stl: "c++_static",
+    static_libs: [
+        "libbase",
+        "android.hardware.memtrack-V1-ndk",
+    ],
+    shared_libs: [
+        "libbinder_ndk",
+        "liblog",
+    ],
+    srcs: [
+        "main.cpp",
+        "Memtrack.cpp",
+    ],
+    installable: false, // installed in APEX
+}
+
+prebuilt_etc {
+    name: "memtrack-default-apex.rc",
+    src: "memtrack-default-apex.rc",
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "memtrack-default.xml",
+    src: "memtrack-default.xml",
+    sub_dir: "vintf",
+    installable: false,
+}
+
+apex {
+    name: "com.android.hardware.memtrack",
+    file_contexts: "apex_file_contexts",
+    manifest: "apex_manifest.json",
+    key: "com.android.hardware.key",
+    certificate: ":com.android.hardware.certificate",
+    updatable: false,
+    vendor: true,
+
+    binaries: [
+        "android.hardware.memtrack-service.apex",
+    ],
+    prebuilts: [
+        "memtrack-default-apex.rc",
+        "memtrack-default.xml",
+    ],
+}

memtrack/aidl/default/apex_file_contexts

@@ -0,0 +1,3 @@
+(/.*)?                                                      u:object_r:vendor_file:s0
+/etc(/.*)?                                                  u:object_r:vendor_configs_file:s0
+/bin/hw/android\.hardware\.memtrack-service\.example        u:object_r:hal_memtrack_default_exec:s0

memtrack/aidl/default/apex_manifest.json

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

memtrack/aidl/default/memtrack-default-apex.rc

@@ -0,0 +1,4 @@
+service vendor.memtrack-default /apex/com.android.hardware.memtrack/bin/hw/android.hardware.memtrack-service.example
+    class hal
+    user nobody
+    group system