fix(@angular-devkit/core): Make default and info log messages use default colors
fix(@angular-devkit/core): Make default and info log messages use default colors

Previously, we set the color to white, which is (nearly) invisible on
terminals with a white background.

Fixes #13439.

manekinekko/angular-cli,geofffilippi/angular-cli,angular/angular-cli,clydin/angular-cli,DevIntent/angular-cli,hansl/angular-cli,manekinekko/angular-cli,hansl/angular-cli,angular/angular-cli,beeman/angular-cli,clydin/angular-cli,beeman/angular-cli,manekinekko/angular-cli,DevIntent/angular-cli,hansl/angular-cli,Brocco/angular-cli,Brocco/angular-cli,geofffilippi/angular-cli,catull/angular-cli,ocombe/angular-cli,catull/angular-cli,hansl/angular-cli,catull/angular-cli,clydin/angular-cli,filipesilva/angular-cli,Brocco/angular-cli,ocombe/angular-cli,beeman/angular-cli,geofffilippi/angular-cli,ocombe/angular-cli,DevIntent/angular-cli,filipesilva/angular-cli,clydin/angular-cli,DevIntent/angular-cli,angular/angular-cli,ocombe/angular-cli,geofffilippi/angular-cli,Brocco/angular-cli,DevIntent/angular-cli,filipesilva/angular-cli,catull/angular-cli,angular/angular-cli,filipesilva/angular-cli,beeman/angular-cli,ocombe/angular-cli,Brocco/angular-cli