[automerger skipped] Delete an uninitialized object in AACExtractor am: 19e92b5bf7 am: 969951feb3 -s ours

am skip reason: Change-Id Ie04989f20170391961c8a6d12e1882262be18d7f with SHA-1 7c67c79fff is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/12061463

Change-Id: I35be88f294d677bff4b655357a137f11025e8009