Merge "Crop letterbox insets when thumbnail is from different aspect ratio" into sc-v2-dev am: 1c4871298e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/16166972

Change-Id: Icf8e6992c6b76fddca4ae25c81a66f6424d9554e