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: I59b65badc776d7a2c816ba5e84c64ac9ac7b53fd