Merge "Add logcat message for background started FGS." into rvc-dev am: 274ce4442a am: b6fa5d4f8a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12172784

Change-Id: Ib4183b5a2e26bd5c77884e5776ff3745ea4e160d