Merge "Update CachingWidgetPreviewLoaderTest members to be non-static. These classes are stubbed by roboelectric so they cannot be static" into sc-dev am: 8fc2d80a32 am: 305b02fd4f am: dc6002478f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15226443

Change-Id: Iebb4c90da7787e1eb1ee1c50d3d309a8faff3adb