Revert^4 "Install bluetooth audio VINTF fragment in apex"

886bfbed7ade60948d7d401b1a81152a9f8b3a49

Change-Id: I963bf18d58152fef685fefb2413d2eb7116a3cdb
diff --git a/audio/aidl/default/apex/com.android.hardware.audio/Android.bp b/audio/aidl/default/apex/com.android.hardware.audio/Android.bp
index ee7e46e..ee92512 100644
--- a/audio/aidl/default/apex/com.android.hardware.audio/Android.bp
+++ b/audio/aidl/default/apex/com.android.hardware.audio/Android.bp
@@ -46,5 +46,6 @@
     prebuilts: [
         "android.hardware.audio.service-aidl.example.rc",
         "android.hardware.audio.service-aidl.xml",
+        "android.hardware.bluetooth.audio.xml",
     ],
 }