Merge "Use mWindowContext instead of re-creating to avoid stale Resource" into sc-dev am: 5160385a0b am: 8147cb240e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14455656

Change-Id: Id20989c92685853211bc7c9fcc247c4e7f19cd5c