colors: Properly set the default accent colors.

The 700 and 50 variant of the default accent colors were pointing to the
wrong material resources (deep_teal instead of accent).
This CL also update the watch colors to the proper specs.

BUG: 32087183
Change-Id: Ib8a23d9078e79bc0fdf6da893b4dff12954c2cbb
2 files changed