fix(@angular/cli): print errors in red

Followup to #6989

Author: filipesilva

packages/@angular/cli/utilities/stats.ts

@@ -1,4 +1,4 @@
-import { bold, green, reset, white, yellow } from 'chalk';
+import { bold, green, red, reset, white, yellow } from 'chalk';
 import { stripIndents } from 'common-tags';
 
 
@@ -16,12 +16,13 @@ function _formatSize(size: number): string {
 
 export function statsToString(json: any, statsConfig: any) {
   const colors = statsConfig.colors;
-  const r = (x: string) => colors ? reset(x) : x;
+  const rs = (x: string) => colors ? reset(x) : x;
   const w = (x: string) => colors ? bold(white(x)) : x;
   const g = (x: string) => colors ? bold(green(x)) : x;
+  const r = (x: string) => colors ? bold(red(x)) : x;
   const y = (x: string) => colors ? bold(yellow(x)) : x;
 
-  return r(stripIndents`
+  return rs(stripIndents`
     Date: ${w(new Date().toISOString())}
     Hash: ${w(json.hash)}
     Time: ${w('' + json.time)}ms