Update colors for non-v31 devices.

Also renamed to popup color to popup shade to better differentiate
between the primary/secondary/tertirary popup colors.

Bug: 191496301
Test: Removed v31 colors to verify the non-v31 colors, that the shades are as expected
      Tested on wallpapaper with light text, again with dark mode
      Tested on wallpaper with dark text, and then again with dark mode

Change-Id: I3ec9ee7f85696ee48224740a1ec7f4abe42348ee