Merge "Update colors in pin widget dialog, to be similar to widget bottom sheet." into sc-dev am: 01d1cb9273 am: f1e1a1848c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14491688

Change-Id: I66d1bdda8ed30803dea92a1bebfcd0739825fe87