Merge "Enabling themed icon feature" into sc-dev am: 8a7f973264 am: 3725f08307

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

Change-Id: Id7fdbea6b4baff2cfbe4d5dc89f9531e11bd57a4