Update metro version to v0.24.1

Reviewed By: rafeca

Differential Revision: D6579060

fbshipit-source-id: f36a87bce9633370a02b8991cec4aced05ca72d1

package.json

@@ -170,8 +170,8 @@
     "graceful-fs": "^4.1.3",
     "inquirer": "^3.0.6",
     "lodash": "^4.16.6",
-    "metro": "^0.24.0",
-    "metro-core": "^0.24.0",
+    "metro": "^0.24.1",
+    "metro-core": "^0.24.1",
     "mime": "^1.3.4",
     "minimist": "^1.2.0",
     "mkdirp": "^0.5.1",