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 am: 936dc2cf

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

Change-Id: I902ba4184269e8ba1ab2a444ea056207ebf8ca04