Include libmediaplayer2_jni to media apex

Test: build
Bug: 112766913
Change-Id: Ib3266ef36adbd956aad6ca274626ccc53780b12c
diff --git a/apex/Android.bp b/apex/Android.bp
index 604b268..51e4c23 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -27,6 +27,8 @@
         "libmpeg2extractor",
         "liboggextractor",
         "libwavextractor",
+        // MediaPlayer2
+        "libmediaplayer2_jni",
     ],
     key: "com.android.media.key",
 }