Merge "Fix NPE in AccessNetworksManager" into tm-dev am: b6463ce4 am: 3fb21ae5 am: aedfb511

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/18105724



Change-Id: I9bacb76409551c360faf7c7e62b6b636b7ebb431
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>