Merge "Revert "Update app icon shadows"" into tm-dev am: 202ac414 am: 3c0a7097 am: d1d21ecd

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



Change-Id: Ic41db49b4f4dafbb7ecc0b0a61c2b5615b2e5f7f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>