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 am: 92fce7ece7  -s ours am: 3627617c2b am: 671c88a807 am: 1feb9dca54 am: 29b801537c  -s ours am: e68844ffb0 am: bd6594eaf2 am: 301e363ed5
am: 8ea826e20d

Change-Id: I103d3f965c85f35e99efb9f1ebd30f9d53efaea5