Fix potential decrypt src pointer overflow. am: c14f2628 am: 107233b3 am: e289b4aa am: 92d4d99b am: c5f312b8 am: 5cf2c6ca

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/13472562

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: If0165f7dc34b4502667fcf272930fce1db4ce01e