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

Change-Id: Ia40a5f03b95b4e6565341db2c8991798630e202e