Merge "Use 32dp as the content margin for widgets pickers in large screen devices" into sc-v2-dev am: 8d5cd17801

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15393091

Change-Id: I8353ecd2a63559ee82d7cc7a70d5c5b7300b632a