Merge "Add EventLogTags for FGS start/stop/denied events." into tm-dev am: fc974566

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18521808



Change-Id: Ibefcaff57168d85e6b6745b670c90f391fbab4e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>