Allow privileged app to set volume key long-press listener

If the volume long-press listener is set, the listener will receive
the volume key long-presses instead of chaging the volume.

Privileged app needs permission
android.permission.SET_VOLUME_KEY_LONG_PRESS_LISTENER to set the listener.

Bug: 30125811
Change-Id: I5e8fafbb950e5e11522da0f14004648d0877bf3e
diff --git a/Android.mk b/Android.mk
index 21bd76b..fac4d55 100644
--- a/Android.mk
+++ b/Android.mk
@@ -423,10 +423,11 @@
 	media/java/android/media/projection/IMediaProjectionManager.aidl \
 	media/java/android/media/projection/IMediaProjectionWatcherCallback.aidl \
 	media/java/android/media/session/IActiveSessionsListener.aidl \
-	media/java/android/media/session/ISessionController.aidl \
-	media/java/android/media/session/ISessionControllerCallback.aidl \
+	media/java/android/media/session/IOnVolumeKeyLongPressListener.aidl \
 	media/java/android/media/session/ISession.aidl \
 	media/java/android/media/session/ISessionCallback.aidl \
+	media/java/android/media/session/ISessionController.aidl \
+	media/java/android/media/session/ISessionControllerCallback.aidl \
 	media/java/android/media/session/ISessionManager.aidl \
 	media/java/android/media/tv/ITvInputClient.aidl \
 	media/java/android/media/tv/ITvInputHardware.aidl \