Bump metro to 0.43.6

Summary: New version of metro to add module.id

Reviewed By: rafeca

Differential Revision: D9360070

fbshipit-source-id: fc0e2d98483404ddbc1ca920c4f42f52573734c6

package.json

@@ -169,10 +169,10 @@
     "graceful-fs": "^4.1.3",
     "inquirer": "^3.0.6",
     "lodash": "^4.17.5",
-    "metro": "^0.43.5",
-    "metro-babel-register": "^0.43.5",
-    "metro-core": "^0.43.5",
-    "metro-memory-fs": "^0.43.5",
+    "metro": "^0.43.6",
+    "metro-babel-register": "^0.43.6",
+    "metro-core": "^0.43.6",
+    "metro-memory-fs": "^0.43.6",
     "mime": "^1.3.4",
     "minimist": "^1.2.0",
     "mkdirp": "^0.5.1",