[automerger skipped] [RESTRICT AUTOMERGE] Fix potential decrypt srcPtr...

[automerger skipped] [RESTRICT AUTOMERGE] Fix potential decrypt srcPtr overflow. am: 072cdf23 -s ours am: b64b7704 -s ours am: 83f2db8f am: edbc9b19 -s ours am: e45800a8 am: 24100c63 -s ours am: 87e5c2e5

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/13423923

Change-Id: I756635605734d737a6ddf0725cb41682bbdccdc1