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

Change-Id: I274c997b58851fe0ddd6a64b73f3fe9a5ac8752b