chore(release): 6.8.2 [skip ci]

## [6.8.2](https://github.com/react-native-community/react-native-webview/compare/v6.8.1...v6.8.2) (2019-08-09)

### Bug Fixes

* **android:** add null reference check for onMessage on android ([#770](https://github.com/react-native-community/react-native-webview/issues/770)) ([12db695](https://github.com/react-native-community/react-native-webview/commit/12db695))

package.json

@@ -8,7 +8,7 @@
     "Thibault Malbranche <malbranche.thibault@gmail.com>"
   ],
   "license": "MIT",
-  "version": "6.8.1",
+  "version": "6.8.2",
   "homepage": "https://github.com/react-native-community/react-native-webview#readme",
   "scripts": {
     "ci": "CI=true && yarn lint && yarn test",