Merge "Mention in safety comment that Parcel can't be Sync." into main am: 3411550782 am: b70857ff03 am: 0ec0516cd9

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2799654

Change-Id: I3bc4c4c923f0cc8a033dd553d2aea458d86dac8a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>