Merge "Update device paddings to spec." into sc-dev am: 920b6e7ffd am: 9f19ad7097 am: b29344853a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14757163

Change-Id: I36c75436be137b0cc9403b1ff6baf8412688c3fe