Support for media extraction from .mkv/.mka Matroska files in stagefright.

Change-Id: I4c26579828ad575523ccf58b0b5cb144046c04ca
related-to-bug: 2483739
diff --git a/include/media/stagefright/MediaDefs.h b/include/media/stagefright/MediaDefs.h
index 207195a..a9a0d55 100644
--- a/include/media/stagefright/MediaDefs.h
+++ b/include/media/stagefright/MediaDefs.h
@@ -22,6 +22,7 @@
 
 extern const char *MEDIA_MIMETYPE_IMAGE_JPEG;
 
+extern const char *MEDIA_MIMETYPE_VIDEO_VPX;
 extern const char *MEDIA_MIMETYPE_VIDEO_AVC;
 extern const char *MEDIA_MIMETYPE_VIDEO_MPEG4;
 extern const char *MEDIA_MIMETYPE_VIDEO_H263;
@@ -38,6 +39,7 @@
 extern const char *MEDIA_MIMETYPE_CONTAINER_MPEG4;
 extern const char *MEDIA_MIMETYPE_CONTAINER_WAV;
 extern const char *MEDIA_MIMETYPE_CONTAINER_OGG;
+extern const char *MEDIA_MIMETYPE_CONTAINER_MATROSKA;
 
 }  // namespace android