Add dependency for halo colors

This file was added by rootbox for pie colors a long time ago and it is needed for
halo colors.

Change-Id: Ib1c5bfc0f704fa852f43fd3243a4ec3120cb8da8
Signed-off-by: Evan Anderson <evan1124@gmail.com>
Missing imports

Change-Id: Id8b4ccd0ed60f13bc5dbb70f82263f4418d038d9
Signed-off-by: Evan Anderson <evan1124@gmail.com>