Merge "Use mWindowContext instead of re-creating to avoid stale Resource" into sc-dev am: 5160385a0b am: 8147cb240e am: b6bc4627e9

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

Change-Id: I993aad3addc2628746419c5e802e295620d05b91