Merge "Call streaming implementation cleanups." into udc-dev am: c7cae571...

Merge "Call streaming implementation cleanups." into udc-dev am: c7cae571 am: 7039ff8a am: 1a676fdc

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/22912703



Change-Id: I0dd9a51b23726dcf6fb0d7408927b35a36d71891
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>