Merge "[Search] Resolve afterimage when closing allapps" into sc-dev am: 53ec9a4e06 am: 9894bbe042 am: 1399764057

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14722826

Change-Id: Ie2c18246a50c3127fa6edfbc441f0b923f40dd6b