Merge "Enabling themed icon feature" into sc-dev am: 8a7f973264 am: 52a82bac34 am: f2b3a8cc40

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

Change-Id: I4b04a8ca3cc873728b1c2baa58030c7f3b10d70f