Don't attempt to support content the software MPEG4 decoder clearly wasn't

prepared for.

Change-Id: I4614ba25a1c67e47bde27ddebd99cb50892c1a94
related-to-bug: 6327803
diff --git a/media/libstagefright/codecs/m4v_h263/dec/include/mp4dec_api.h b/media/libstagefright/codecs/m4v_h263/dec/include/mp4dec_api.h
index 24a50ce..6d4868c 100644
--- a/media/libstagefright/codecs/m4v_h263/dec/include/mp4dec_api.h
+++ b/media/libstagefright/codecs/m4v_h263/dec/include/mp4dec_api.h
@@ -20,7 +20,7 @@
 
 #include "m4vh263_decoder_pv_types.h"
 
-#define PV_TOLERATE_VOL_ERRORS
+// #define PV_TOLERATE_VOL_ERRORS
 #define PV_MEMORY_POOL
 
 #ifndef _PV_TYPES_