Bump metro@0.48.2

Summary: corgi_shipit_gif

Reviewed By: mjesun

Differential Revision: D10854719

fbshipit-source-id: bf81e2e09e2b315f3bea3cffce1731d0c8662765

package.json

@@ -171,10 +171,10 @@
     "graceful-fs": "^4.1.3",
     "inquirer": "^3.0.6",
     "lodash": "^4.17.5",
-    "metro": "^0.48.1",
-    "metro-babel-register": "^0.48.1",
-    "metro-core": "^0.48.1",
-    "metro-memory-fs": "^0.48.1",
+    "metro": "^0.48.2",
+    "metro-babel-register": "^0.48.2",
+    "metro-core": "^0.48.2",
+    "metro-memory-fs": "^0.48.2",
     "mime": "^1.3.4",
     "minimist": "^1.2.0",
     "mkdirp": "^0.5.1",