MTP: Fix support for transfering folders and playlists.

This broke when I added support for transfering arbitrary files.

Change-Id: I6f2c052f3bd69839befcf0783d7aff5bcfd29b3e
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/java/android/media/MtpDatabase.java b/media/java/android/media/MtpDatabase.java
index 3487b0f..536d49f 100644
--- a/media/java/android/media/MtpDatabase.java
+++ b/media/java/android/media/MtpDatabase.java
@@ -246,6 +246,8 @@
         return new int[] {
             // allow transfering arbitrary files
             MtpConstants.FORMAT_UNDEFINED,
+            MtpConstants.FORMAT_ASSOCIATION,
+            MtpConstants.FORMAT_ABSTRACT_AV_PLAYLIST,
         };
     }