Merge "SampleIterator: clear members on seekTo error" into klp-dev am: 610a9222d6 am: a78bd18c93 am: 9578341c41 am: 8ede96a5f2 am: f7a2861c08 am: 2379d9e501 am: ed775f7c81 am: 3c5b347344
am: 2b7d32540a

Change-Id: I5a4b04dcdd458810f2dce07e2f62c12bb6eb6e06