decoder: Fix in detecting dangling fields am: 6dd54b9e18 am: 7e44189621 am: 9157866b2b am: 6f0ef308c3

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/libavc/+/10299064

Change-Id: Id61e4b0b4e17a3ef1bca9fca9f19d273e9864859