Merge "Creates ShapeAppIcon class to represent a shape app icon and its name" into ub-launcher3-master am: dcf80c7222

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/11617261

Change-Id: Ieabdbd23104e96f6d42cdfcd6d42978e813eb931