Merge "Update dream blur and fade to match the bouncer scrim" into tm-dev am: a74c7f66

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17351485



Change-Id: I410c8388c915e0340e20aaa22bf26593e060ae3f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>