[automerger skipped] Remove unecessary locking to avoid dead lock. am: 93d5117cf5 am: f60011dad1 -s ours am: 04e76f097c -s ours

am skip reason: Change-Id I15def5c401811190f0f2ca8d1fa7e44d6387407e with SHA-1 69eb0eb6d6 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/13319433

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I4ec1484d5110f33da48245b0a846a23df20aab1a