bluetooth: android: Fix a couple of crashes when adapter is turned on/off.

device/bluetooth/test/bluetooth_test_android.cc

 // Copyright 2015 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 "device/bluetooth/test/bluetooth_test_android.h"
 
 #include <iterator>
 #include <sstream>
 
 #include "base/android/jni_array.h"
@@ skipping 54 matching lines @@
 }
 
 BluetoothDevice* BluetoothTestAndroid::DiscoverLowEnergyDevice(
     int device_ordinal) {
   TestBluetoothAdapterObserver observer(adapter_);
   Java_FakeBluetoothAdapter_discoverLowEnergyDevice(
       AttachCurrentThread(), j_fake_bluetooth_adapter_.obj(), device_ordinal);
   return observer.last_device();
 }
 
+void BluetoothTestAndroid::ForceIllegalStateException() {
+  Java_FakeBluetoothAdapter_forceIllegalStateException(
+      AttachCurrentThread(), j_fake_bluetooth_adapter_.obj());
+}
+
 void BluetoothTestAndroid::SimulateGattConnection(BluetoothDevice* device) {
   BluetoothDeviceAndroid* device_android =
       static_cast<BluetoothDeviceAndroid*>(device);
 
   Java_FakeBluetoothDevice_connectionStateChange(
       AttachCurrentThread(), device_android->GetJavaObject().obj(),
       0,      // android.bluetooth.BluetoothGatt.GATT_SUCCESS
       true);  // connected
 }
 
@@ skipping 241 matching lines @@
 
 void BluetoothTestAndroid::OnFakeBluetoothGattWriteDescriptor(
     JNIEnv* env,
     const JavaParamRef<jobject>& caller,
     const JavaParamRef<jbyteArray>& value) {
   gatt_write_descriptor_attempts_++;
   base::android::JavaByteArrayToByteVector(env, value, &last_write_value_);
 }
 
 }  // namespace device