Merge "Fix "NetworkCallback was not registered" crash" into tm-dev am: 92538a9d am: 1c724337

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18619553



Change-Id: Idfe117dad0439d6b77edbb7c1fdb406bb77d3018
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>