Merge "Use mWindowContext instead of re-creating to avoid stale Resource" into sc-dev am: 5160385a0b am: 32a2f8ca22

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

Change-Id: I353fc8563e64882a737d2c949b87b9b31e4ddf3e