Use full path for react-native on HMR config

Summary:Fixes https://github.com/facebook/react-native/issues/6731
Closes https://github.com/facebook/react-native/pull/6748

Differential Revision: D3126410

Pulled By: martinbigio

fb-gh-sync-id: fc462ec82e72914d13341a4543212c017bd3838c
fbshipit-source-id: fc462ec82e72914d13341a4543212c017bd3838c

babel-preset/configs/hmr.js

@@ -25,7 +25,7 @@ module.exports = function(options, filename) {
         {
           transforms: [{
             transform: transform,
-            imports: ['react-native'],
+            imports: ['react-native/Libraries/react-native/react-native.js'],
             locals: ['module'],
           }]
         },

babel-preset/package.json

@@ -1,6 +1,6 @@
 {
   "name": "babel-preset-react-native",
-  "version": "1.5.5",
+  "version": "1.5.6",
   "description": "Babel preset for React Native applications",
   "main": "index.js",
   "repository": "https://github.com/facebook/react-native/tree/master/babel-preset",