Merge "Apply input buffer validation also to AVC and MPEG4 encoders" into mnc-dev am: ec99046603 am: 616b039f43 am: 57a9404439 am: 349264d82b am: 4d65e3c2c0 am: 222b40ee7a am: bd5d9a0171 am: 9e85bf3d6e am: 22624512eb am: 746cf013de am: 4472284462  -s ours
am: 82c2700a1a  -s ours

Change-Id: I50fc7ec4d7f352b21ddaabbabc79556964a4ca9d