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

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

Change-Id: I21f9366f93afe6eaf2d9e96927a6a2eef7d5427a