[automerger skipped] Delete an uninitialized object in AACExtractor am: 19e92b5bf7 am: 969951feb3 -s ours am: 8127f75dfa -s ours am: db6536db2e -s ours

am skip reason: Change-Id Ie04989f20170391961c8a6d12e1882262be18d7f with SHA-1 19e92b5bf7 is in history

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

Change-Id: Ib54c105717326d9fecc0ed8bc5b820476fee362b