Merge "Added mpga as valid MediaFile extension"

Author: Jean-Baptiste Queru

media/java/android/media/MediaFile.java

@@ -172,6 +172,7 @@ private static boolean isWMVEnabled() {
 
     static {
         addFileType("MP3", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3);
+        addFileType("MPGA", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3);
         addFileType("M4A", FILE_TYPE_M4A, "audio/mp4", MtpConstants.FORMAT_MPEG);
         addFileType("WAV", FILE_TYPE_WAV, "audio/x-wav", MtpConstants.FORMAT_WAV);
         addFileType("AMR", FILE_TYPE_AMR, "audio/amr");