Merge "Improve grid preview performance" into rvc-d1-dev am: 8951db2d am: 39d90055

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12160681

Change-Id: Id8b4ee70e7ddc490b984c6fa9b363423e4e69047