Merge "m4v_h263: check header first before decoding a frame." into lmp-dev am:...

Merge "m4v_h263: check header first before decoding a frame." into lmp-dev am: 6aed93d5 am: 8772f84f am: fc97c43c am: c5726162 am: 0c259278 am: a4a232c7 am: d8de34f6 am: 8bd081a5
am: b73a7177

Change-Id: I463ea5e72bc80c326ba6a214272c003e3a1114c9