LatinIME: Make Material dark theme match the Pixels

Make it match the Pixel dark theme: https://imgur.com/a/6Mic9uj
Also change the green accent on the light theme to pixel blue

Change-Id: I135ad759025cc0d4c716c80170764e02a788afdc
Signed-off-by: mydongistiny <jaysonedson@gmail.com>
66 files changed