Implement cc_args.
Also change cc_flag_set / cc_flag_group to cc_args / cc_arg_group. This is to lean into the idea that this is roughly equivalent to ctx.actions.args()
END_PUBLIC
PiperOrigin-RevId: 608804069
Change-Id: I74ea883b14219f904aaafc4eab902b96a1fb3e3d
Googler