Merge "Enabling themed icon feature" into sc-dev am: 8a7f973264 am: 52a82bac34

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14738710

Change-Id: Ibd6c11943c06d59dcae34796ea2cadb01b514a9b