Make dumpsys(media.player) more useful by having AwesomePlayer populate it.

Change-Id: I12ba7d542331a8293d67a0d47378b8be4f777759
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index 54a6547..a77dff1 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -368,6 +368,9 @@
             mPid, mConnId, mStatus, mLoop?"true": "false");
     result.append(buffer);
     write(fd, result.string(), result.size());
+    if (mPlayer != NULL) {
+        mPlayer->dump(fd, args);
+    }
     if (mAudioOutput != 0) {
         mAudioOutput->dump(fd, args);
     }