Merge "Fix bug where workspace alpha does not get set to 1 when animation gets...

Merge "Fix bug where workspace alpha does not get set to 1 when animation gets cancelled." into sc-dev am: f9df8f36

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

Change-Id: I9ab72caa407fd3e6a2e6130bcf9e924ba2c7726c