Merge "snapuserd: use local buffers for xor processing during sync I/O" into...

Merge "snapuserd: use local buffers for xor processing during sync I/O" into main am: da2fc1c6 am: 4a875cf9

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2670338



Change-Id: Id2c4b2a4c1ab740a90f47d6c2de049d791d183ac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>