Merge "Discard dead MmTelFeature Binder Instances" am: 9e1009dd55 am: 36199d0322

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1575999

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I376bc488d54805332da88bd138514a9eb8a1784d