Opted to recognize "h263" or "H263" boxes in an mp4 file

bug - 3278240

Change-Id: Ifd1b1f3e5dd55dbf2c33bbad9dd51998c25bfc15
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index bbe99d3..d3c7445 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -247,6 +247,8 @@
             return MEDIA_MIMETYPE_VIDEO_MPEG4;
 
         case FOURCC('s', '2', '6', '3'):
+        case FOURCC('h', '2', '6', '3'):
+        case FOURCC('H', '2', '6', '3'):
             return MEDIA_MIMETYPE_VIDEO_H263;
 
         case FOURCC('a', 'v', 'c', '1'):
@@ -936,6 +938,8 @@
 
         case FOURCC('m', 'p', '4', 'v'):
         case FOURCC('s', '2', '6', '3'):
+        case FOURCC('H', '2', '6', '3'):
+        case FOURCC('h', '2', '6', '3'):
         case FOURCC('a', 'v', 'c', '1'):
         {
             mHasVideo = true;