Merge "Copy keys to iterate over so we don't concurrently modify the map."...

Merge "Copy keys to iterate over so we don't concurrently modify the map." into rvc-dev am: 5a7298f6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12001034

Change-Id: I437b062be544156e6bdc2738cabdb7413929abb2