Merge "Add logcat message for background started FGS." into rvc-dev am: 274ce4442a am: 6e4f802c62 am: 076c246c26

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

Change-Id: Ie6fba97ca59ad2384fbe14e24985aa85505b3559