Merge "nfc(api): Add a event log to indicate data migration" into main am: b7c40a37

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3341233



Change-Id: Ib5545b4678e3664ae43f0ce0f14692dbae4bb740
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>