build: upgrade karma and related dependencies (angular#19904)

PR Close angular#19904

Author: gkalpak

package.json

@@ -88,12 +88,12 @@
     "jasmine": "^3.1.0",
     "jasmine-core": "^3.1.0",
     "jpm": "1.3.1",
-    "karma": "0.13.20",
-    "karma-browserstack-launcher": "0.1.9",
-    "karma-chrome-launcher": "0.2.0",
+    "karma": "^2.0.4",
+    "karma-browserstack-launcher": "^1.3.0",
+    "karma-chrome-launcher": "^2.2.0",
     "karma-jasmine": "^1.1.2",
-    "karma-sauce-launcher": "0.3.0",
-    "karma-sourcemap-loader": "0.3.6",
+    "karma-sauce-launcher": "^1.2.0",
+    "karma-sourcemap-loader": "^0.3.7",
     "madge": "0.5.0",
     "minimist": "1.2.0",
     "mutation-observer": "^1.0.3",