Merge "Clear calling identity before calling getSubscriptionUserHandle" into main am: 34573462f4

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/2957801

Change-Id: I866f9364f94a09466f6e021aa3b0f4f50a14f656
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>