Merge "Add logcat message for background started FGS." into rvc-dev am: 274ce4442a am: b6fa5d4f8a am: 76cc6e415e

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

Change-Id: Ia7c949cb8143c5aa2c2c5dca44a1ecd7cb62bcc1