Merge "Fix padding/margin for widgets in widgetpicker" into udc-qpr-dev am: d7eb90c4

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23696295



Change-Id: I95f7fb4c13760832a667992ba941167b0068bc58
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>