Fix security vulnerability issue for multi user call redirections. am:...

Fix security vulnerability issue for multi user call redirections. am: 799347b6 am: 7912558a am: a1797f2b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/20535613



Change-Id: Ifb3253e311ad3d37a6860ad3c6c7139ee7d24178
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>