Merge "decoder: Reset slice header at start of slice header decode" into oc-dev am: 930597cb2e am: 588f78b7d7 am: 7b1140f957 am: 399938e52e am: 7aa6102559
am: 8bfa119917

Change-Id: Iec721bd520b328bb7d81d51106733715ea0105c8