VolumeZen: SystemUI now hosts the volume dialog.

- Allow SystemUI to set the volume controller interface using
  a new binder call to audio service.
- Remove VolumePanel's dependency on AudioService.
- Host the base VolumePanel in the SystemUI process.

Change-Id: I095d5a1a579d42b68d0f81abb4087bd0c754b876
diff --git a/Android.mk b/Android.mk
index 58509a7..2e78969 100644
--- a/Android.mk
+++ b/Android.mk
@@ -306,6 +306,7 @@
 	media/java/android/media/IRemoteDisplayProvider.aidl \
 	media/java/android/media/IRemoteVolumeObserver.aidl \
 	media/java/android/media/IRingtonePlayer.aidl \
+	media/java/android/media/IVolumeController.aidl \
         media/java/android/media/routeprovider/IRouteConnection.aidl \
         media/java/android/media/routeprovider/IRouteProvider.aidl \
         media/java/android/media/routeprovider/IRouteProviderCallback.aidl \