Merge "Fix SF blur to be as blurry as Gaussian blur" into sc-dev am: e78acd5b6a am: a3deda207f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/15164243

Change-Id: I567497962fb5ea76d55042afe7a4a891c91cb02e