feat(@angular-devkit/build-angular): update karma to v3

Author: sibiraj-s

packages/angular_devkit/build_angular/package.json

@@ -79,9 +79,8 @@
     "jquery": "^3.3.1",
     "jasmine-core": "~2.8.0",
     "jasmine-spec-reporter": "~4.2.1",
-    "karma": "~2.0.0",
+    "karma": "~3.0.0",
     "karma-chrome-launcher": "~2.2.0",
-    "karma-cli": "~1.0.1",
     "karma-coverage-istanbul-reporter": "~2.0.0",
     "karma-jasmine": "~1.1.0",
     "karma-jasmine-html-reporter": "^0.2.2",