Decoder: Increased allocation and added checks in sei parsing. am: f2b70d3537 am: 8d32a711ac am: a0827a3bb1 am: cd831159ce am: 2a3efcfcde am: 013d98b763 am: 48d8b5bbc9 am: ccc5298ffb am: a1f8cef8c4
am: b864fbc779

Change-Id: I57274b8d74468c09aa88325a9324c244d7d8b82e