Cleanup: move VINTF fragment into VAPEX

Bug: 296524155
Test: m && launch_cvd
    # usb hal service is running
Change-Id: I5aebf03e1f651b8cd2753627ad55022be9eba8d6

usb/aidl/default/Android.bp

@@ -43,9 +43,11 @@ cc_binary {
     ],
 }
 
-filegroup {
+prebuilt_etc {
     name: "android.hardware.usb-service.example.xml",
-    srcs: ["android.hardware.usb-service.example.xml"],
+    src: "android.hardware.usb-service.example.xml",
+    sub_dir: "vintf",
+    installable: false,
 }
 
 filegroup {

usb/aidl/default/apex/Android.bp

@@ -30,8 +30,8 @@ apex {
         "com.android.hardware.usb.rc", // init .rc
         "android.hardware.usb.accessory.prebuilt.xml",
         "android.hardware.usb.host.prebuilt.xml",
+        "android.hardware.usb-service.example.xml",
     ],
-    vintf_fragments: [":android.hardware.usb-service.example.xml"],
 }
 
 // Replace the binary path from /vendor/bin to /apex/{name}/bin in the init .rc file

usb/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\.usb-service\.example        u:object_r:hal_usb_default_exec:s0

usb/apex/file_contexts

@@ -1,5 +0,0 @@
-(/.*)?                                         u:object_r:vendor_file:s0
-# Permission XMLs
-/etc/permissions(/.*)?                         u:object_r:vendor_configs_file:s0
-# binary
-/bin/hw/android\.hardware\.usb-service\.example        u:object_r:hal_usb_default_exec:s0