Merge "DO NOT MERGE : MPEG4Extractor: ensure returned status is checked." into klp-dev am: da84963c1f am: b8dfff52ee am: 5445ddc983  -s ours am: 8700c26a91  -s ours
am: b063a7ea18

Change-Id: I5075e05fa2c98f98197be580fc3640c884b9ba23