Merge "Revert "Update app icon shadows"" into tm-dev am: 202ac414

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18675016



Change-Id: I98e3165ccc5e02228020e4c45386045c4cf1df12
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>