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

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

Change-Id: I7d079514bb95899e0b8b2a32d9c33667866aae5e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>