Merge "Updating method for getting themed icon" into sc-dev am: a71269e372 am: 867aeb5436

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14682086

Change-Id: Ib004f44dd66e019cdd913b4f1ca91c37eb39af3c