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

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

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



Change-Id: Ibaee2dea37bb7e315131996c2ea7c9cdc02086f6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>