Remove MediaSessionServiceImpl

Bug: 132232820
Test: atest CtsMediaTestCases:android.media.cts.MediaSessionTest;
      atest CtsMediaTestCases:android.media.cts.MediaControllerTest;
      atest CtsMediaTestCases:android.media.cts.MediaBrowserTest;
      atest CtsMediaTestCases:android.media.cts.MediaSessionManagerTest;
      atest CtsMediaTestCases:android.media.cts.MediaSession2Test;
      atest CtsMediaTestCases:android.media.cts.MediaController2Test;
      atest CtsMediaTestCases:android.media.cts.MediaSession2ServiceTest;
Change-Id: I54fcf97b73301751522748fb4fbd438691542f38

services/core/java/com/android/server/media/MediaSessionRecord.java

@@ -84,7 +84,7 @@ public class MediaSessionRecord implements IBinder.DeathRecipient {
     private final MediaSession.Token mSessionToken;
     private final SessionStub mSession;
     private final SessionCb mSessionCb;
-    private final MediaSessionService.ServiceImpl mService;
+    private final MediaSessionService mService;
     private final Context mContext;
 
     private final Object mLock = new Object();
@@ -125,7 +125,7 @@ public class MediaSessionRecord implements IBinder.DeathRecipient {
 
     public MediaSessionRecord(int ownerPid, int ownerUid, int userId, String ownerPackageName,
             ISessionCallback cb, String tag, Bundle sessionInfo,
-            MediaSessionService.ServiceImpl service, Looper handlerLooper) {
+            MediaSessionService service, Looper handlerLooper) {
         mOwnerPid = ownerPid;
         mOwnerUid = ownerUid;
         mUserId = userId;