Merge "Update bottom widget picker and pin widget dialog layout in landscape mode." into sc-dev am: b5459c9ba5 am: b49556b21a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14817823

Change-Id: I91d39081084cc87e0f1050564d47dd786815a782