Merge "Creates ShapeAppIcon class to represent a shape app icon and its name" into ub-launcher3-master am: dcf80c7222 am: e3cb6efc98

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

Change-Id: Iab3c720cb0dcd1ac644498b8b7b77fc5edd56a53