Merge "Revert "Track per-process freezable state in BroadcastQueue."" into udc-dev am: f8e8d3f1 am: 7a7fce83

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23305864



Change-Id: I0a492d9b600e21ff567f0b20bbec4af734bdbe4c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>