Fix Out of Bounds Read in AAVCAssembler Fixed Out of Bounds Read in dropFramesUntilIframe Function in AAVCAssembler. Added missing bound checks in pickStartSeq function of AHEVCAssembler. Manual cherry-pick of pa/2300853. Bug: 230630526 Change-Id: Ia9d0b172d0d09e3bf80a3b4bfc5d1125ac00264d Test: Manual, See bug for repro steps. (cherry picked from commit fa29e9f0320f29448f8481e4b50de7ac65297558) Merged-In: Ia9d0b172d0d09e3bf80a3b4bfc5d1125ac00264d (cherry picked from commit 3066b1410d87cc8f320cf8dd7eb7705172773919) Merged-In: Ia9d0b172d0d09e3bf80a3b4bfc5d1125ac00264d