Merge "Don't fade out active page outline during drag-and-drop" into sc-dev am: 0a1b030bb3 am: 9640528fbd

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14363505

Change-Id: I2b4a8422df0c7311f0ae2dcdf5f8953353fd5ee3