Merge "limit TelecomManager#registerPhoneAccount to 10" into qt-dev am: aea733a58c am: df85b72ded

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/16905018

Change-Id: I7b8dbe363319a1be7c80605f6cf64bdc1390471a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>