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

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

Change-Id: Ib5f97d5779e9f910a10e3c7013a2c2576dcee8d1