Merge "Apply input buffer validation also to AVC and MPEG4 encoders" into mnc-dev am: ec99046603 am: 616b039f43 am: 57a9404439 am: 349264d82b
am: 4d65e3c2c0

Change-Id: I1181b9991dce13b316a67bcab85b4205388cabf8