Add init MediaSession2 and MediaController2

This CL only covers the connection logic between MediaSession2
and MediaController2.

Bug: 122055262
Test: build
Change-Id: I1773aa053ea1fce0cc548f334416e47d373f7f86
diff --git a/Android.bp b/Android.bp
index 4211162..8c68355 100644
--- a/Android.bp
+++ b/Android.bp
@@ -461,11 +461,13 @@
         "media/java/android/media/IAudioRoutesObserver.aidl",
         "media/java/android/media/IAudioService.aidl",
         "media/java/android/media/IAudioServerStateDispatcher.aidl",
+        "media/java/android/media/IMediaController2.aidl",
         "media/java/android/media/IMediaHTTPConnection.aidl",
         "media/java/android/media/IMediaHTTPService.aidl",
         "media/java/android/media/IMediaResourceMonitor.aidl",
         "media/java/android/media/IMediaRouterClient.aidl",
         "media/java/android/media/IMediaRouterService.aidl",
+        "media/java/android/media/IMediaSession2.aidl",
         "media/java/android/media/IMediaScannerListener.aidl",
         "media/java/android/media/IMediaScannerService.aidl",
         "media/java/android/media/IPlaybackConfigDispatcher.aidl",