Merge "Fix NPE in LinkBandwidthEstimator" into udc-dev am: b61bb2ef am: 54530eed

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/21616741



Change-Id: I1c8389bd5dd967e5c0dde78c527498718ffd6266
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>