Merge "Alert ProxCheck listeners directly when timing out." into rvc-d1-dev am: 350583bea0 am: 3a82e7dbc0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12294057

Change-Id: I26bd33039072b1519311e68e90dd039dec91f1fd