Merge "Update buttons in pin widget picker." into sc-dev am: 8bd4ef6122 am: 7adf9cfc2d am: 534f4dba83

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14678281

Change-Id: Ib0fd08c5aded4e811cd691f7d9390599ae25b3a2