Merge "Fix bug where workspace alpha does not get set to 1 when animation gets cancelled." into sc-dev am: f9df8f3682 am: 94df55bada am: 635d79cf54

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15023032

Change-Id: Id39c1e446ac06da1b9b338cabe0850566539a533