Call SoLoader.init in MainApplication#onCreate

Summary:
Fixes #10352.
Closes https://github.com/facebook/react-native/pull/10724

Differential Revision: D4126371

fbshipit-source-id: e1765e2d2a3ff80a962f1db6bdc9e90d797d3ab6

local-cli/generator-android/templates/package/MainApplication.java

@@ -8,6 +8,7 @@ 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;
@@ -30,6 +31,12 @@ public class MainApplication extends Application implements ReactApplication {
 
   @Override
   public ReactNativeHost getReactNativeHost() {
-      return mReactNativeHost;
+    return mReactNativeHost;
+  }
+
+  @Override
+  public void onCreate() {
+    super.onCreate();
+    SoLoader.init(this, /* native exopackage */ false);
   }
 }