Don't prepend the asset name string with "file://" for unbundles

Summary: D2922108 / PR facebook#5814 broke the “Unbundle” loader by prepending the file path to the entry file with "file://". This converts it back.

Reviewed By: lexs

Differential Revision: D3052749

fb-gh-sync-id: 0b241c50e25f1a1c85265915bee01582d0ba7ac6
shipit-source-id: 0b241c50e25f1a1c85265915bee01582d0ba7ac6

ReactAndroid/src/main/jni/react/jni/OnLoad.cpp

@@ -743,7 +743,7 @@ static void loadScriptFromAssets(JNIEnv* env, jobject obj, jobject assetManager,
 
   env->CallStaticVoidMethod(markerClass, gLogMarkerMethod, env->NewStringUTF("loadScriptFromAssets_read"));
   if (JniJSModulesUnbundle::isUnbundle(manager, assetNameStr)) {
-    loadApplicationUnbundle(bridge, manager, script, "file://" + assetNameStr);
+    loadApplicationUnbundle(bridge, manager, script, assetNameStr);
   } else {
     loadApplicationScript(bridge, script, "file://" + assetNameStr);
   }