update example

Examples/simple-fcm-client/android/app/src/main/java/com/google/firebase/quickstart/fcm/MainApplication.java

@@ -10,6 +10,7 @@ import com.facebook.react.ReactInstanceManager;
 import com.facebook.react.ReactNativeHost;
 import com.facebook.react.ReactPackage;
 import com.facebook.react.shell.MainReactPackage;
+import com.facebook.soloader.SoLoader;
 
 import java.util.Arrays;
 import java.util.List;
@@ -36,4 +37,10 @@ public class MainApplication extends Application implements ReactApplication {
   public ReactNativeHost getReactNativeHost() {
       return mReactNativeHost;
   }
+
+  @Override
+  public void onCreate() { // <-- Check this block exists
+    super.onCreate();
+    SoLoader.init(this, /* native exopackage */ false); // <-- Check this line exists within the block
+  }
 }

Examples/simple-fcm-client/package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "react": "16.0.0-alpha.12",
-    "react-native": "^0.47.2",
+    "react-native": "^0.55.4",
     "react-native-fcm": "^14.1.3",
     "react-native-maps": "^0.20.1",
     "react-navigation": "^1.2.1"