[RESTRICT AUTOMERGE]Fix CryptoPlugin use after free vulnerability. am: 79a6ffbdaf am: c5dc2536b9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/13808809

Change-Id: Ie68d50b9eed47edf8f6baa8fd2086defc8c10622