Merge "Add BarringInfo.BarringServiceInfo#toString" into main am: 6f25c5b7c6 am: 4f154870c9 am: 70669dec4f am: 199266beb7

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2779769

Change-Id: Iba8500c9c6e5cad5e72ee9385f86439d208191ce
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>