Merge "Add imsCall#getCallSession() null check in...

Merge "Add imsCall#getCallSession() null check in ImsPhoneCallTracker#maybeSetVideoCallProvider." into tm-dev am: 36e8e033 am: 20c815e5 am: cce44b44

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/18629534



Change-Id: Idd0243e636fcf8162f7c141bd0c8b5c64e09b479
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>