Remove UserId from UID when checking against BLUETOOTH_UID

A UID can be a concatenation of a UserID with a 5 digit package UID.
E.g., Bluetooth under User10 would have UID 1001002. This CL removes the
UserID (if any), before checking against BLUETOOTH_UID.

Bug: 228598338
Test: m
Change-Id: I532583345cc9ab474fc848a3ede6be9d8be9c5b0
1 file changed