Merge "[Search][Motion] Separate AllApps scrim and content interpolation" into sc-dev am: a7fc3ee4c7 am: 6fdb05d15a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14289068

Change-Id: Iefcdd2fa07f282ce81a0c6adeb774f211b9730a7