Merge "Fix few A11y/ UI bugs for widget pickers" into sc-dev am: 51991a7333 am: 7c17371e11 am: d64923efc0

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14372793

Change-Id: I27c2fc001bc380f6c96672dad7c90a64f9cc3908