Fix vulnerability in CallRedirectionService. am: 29b52e3cd0 am: 1637f8e358 am: 72e92682bf am: a55cc01aeb am: d24ae916ef am: 39828d2e84

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/24151559

Change-Id: Ia7faecdd2956700b8f9e2663d6757ee0b18356ff
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>