Merge "Decrease icon size by steps" into udc-qpr-dev am: 03951ba5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23563380



Change-Id: I58843eeaa4faa38f786e7841203e5e00c9f5ef29
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>