Change all apps handle color to outLineVariant.

Before the change the color was colorSurfaceVariant but should be updated to outlineVariant.

bug:275087095
Test: Manual -
Before darkTheme:https://screenshot.googleplex.com/94KykP7mjhBsKUc
After darkTheme:https://screenshot.googleplex.com/3N5XaSRonQkFuis
Before lightTheme:https://screenshot.googleplex.com/BNigdK4GWgSe2fm
After lightTheme: https://screenshot.googleplex.com/3Li5DUCDxXeACac
Flag: None

Change-Id: Ie7b077e05108d53dab869fcc1225ddae993207f2