Merge "Fix margins/padding in widget picker" into tm-qpr-dev am: 8fd957e3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21467066



Change-Id: Ie12cdf36f283af8b1cafd5f00a97a49ad458ad41
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>