Merge "Update libphonenumber to 8.12.56." am: 01222eecdb am: 24ba9e524a

Original change: https://android-review.googlesource.com/c/platform/external/libphonenumber/+/2232307

Change-Id: Id341b40afaf963c7f62f5af49e5137864045d253
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>