Merge "Update taskbar icon size to match spec." into udc-dev am: 68135ebf am: 19a9f589

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23518318



Change-Id: I57c1234c9cf3d61e3be7bd24c65582cee2c6d028
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>