Merge "Make foreground scrim darker on Recents View." into sc-dev am: 6ee0782167 am: 4b2a94c3e8

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14471361

Change-Id: Ice59262d74e60544839c43c439439b96a4b5cec9