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

Change-Id: Ibe7e84c330b861786f2f7d0e16c456301b5bee0f