AACExtractor: check bounds during seek am: 0790581021 am: a896e5b77a am: be8e054c7a am: 42495748d7 am: 86a97a8d1a am: 8ffac892a5 am: 5c2b26a07c
am: cd44215f9f

Change-Id: I3a7c8849c4148acc2d002a4cf3e5ef679b3af35f