Update color option tiles to match GM3 colors (1/3)

Update the preview colors and the background of color tiles to match new
design. Also adjust to make the monochrome tile more accurate, and
adjust ordering of other colors.

Bug: 285141037
Bug: 281081163
Test: manually verified, see bug
Change-Id: I09167fa8dc504d0a9641dbb8c0e781d98718156c