Merge "Add logcat message for background started FGS." into rvc-dev am: 274ce4442a am: 6e4f802c62 am: e56069ae78

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

Change-Id: Icedcd618774e910bcfc76165c8dacb980a313fee