Fix security vulnerability when register phone accounts. am: ce3216cb am:...

Fix security vulnerability when register phone accounts. am: ce3216cb am: 39be7283 am: cff72984

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/20055816



Change-Id: I3e370adf4b1fe1fa14ee3115495d47e31a61ddee
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>