Adds some code to help isolate where crash is happening

mojo/android/system/core_impl.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/android/system/core_impl.h"
 
 #include "base/android/base_jni_registrar.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_registrar.h"
 #include "base/android/library_loader/library_loader_hooks.h"
@@ skipping 351 matching lines @@
     const JavaParamRef<jobject>& jcaller,
     jint mojo_handle,
     jint signals,
     jlong deadline,
     const JavaParamRef<jobject>& callback) {
   AsyncWaitCallbackData* callback_data =
       new AsyncWaitCallbackData(env, jcaller, callback);
   MojoAsyncWaitID cancel_id;
   if (static_cast<MojoHandle>(mojo_handle) != MOJO_HANDLE_INVALID) {
     cancel_id = Environment::GetDefaultAsyncWaiter()->AsyncWait(
-        mojo_handle, signals, deadline, AsyncWaitCallback, callback_data);
+        1, mojo_handle, signals, deadline, AsyncWaitCallback, callback_data);
   } else {
     cancel_id = kInvalidHandleCancelID;
     base::MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(
             &AsyncWaitCallback, callback_data, MOJO_RESULT_INVALID_ARGUMENT));
   }
   base::android::ScopedJavaLocalRef<jobject> cancellable =
       Java_CoreImpl_newAsyncWaiterCancellableImpl(
           env, jcaller, cancel_id, reinterpret_cast<intptr_t>(callback_data));
@@ skipping 27 matching lines @@
     return 0;
   return alignment - offset;
 }
 
 bool RegisterCoreImpl(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace mojo