Merge "Merge "Pause region sampling while blurring the shade" into sc-dev am: eb87d4ea am: ece5b2ec" into sc-v2-dev-plus-aosp am: beac3022

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15128775

Change-Id: Iea62cd9b45bbf07708bfa7da741746f04d57f743