bluetooth: android: Implement & test CreateGattConnection.

device/bluetooth/test/bluetooth_test_android.cc

Index: device/bluetooth/test/bluetooth_test_android.cc
diff --git a/device/bluetooth/test/bluetooth_test_android.cc b/device/bluetooth/test/bluetooth_test_android.cc
index 1be588d51643d5559b18d5462e5313ab4ad5ba27..c5ae7d3118895cda3a210cd5119a1e3dca47f347 100644
--- a/device/bluetooth/test/bluetooth_test_android.cc
+++ b/device/bluetooth/test/bluetooth_test_android.cc
@@ -7,6 +7,7 @@
 #include "base/logging.h"
 #include "device/bluetooth/android/wrappers.h"
 #include "device/bluetooth/bluetooth_adapter_android.h"
+#include "device/bluetooth/bluetooth_device_android.h"
 #include "jni/Fakes_jni.h"
 
 using base::android::AttachCurrentThread;
@@ -52,4 +53,13 @@ void BluetoothTestAndroid::DiscoverLowEnergyDevice(int device_ordinal) {
       AttachCurrentThread(), j_fake_bluetooth_adapter_.obj(), device_ordinal);
 }
 
+void BluetoothTestAndroid::CompleteGattConnection(BluetoothDevice* device) {
+  BluetoothDeviceAndroid* device_android =
+      static_cast<BluetoothDeviceAndroid*>(device);
+
+  Java_FakeBluetoothDevice_connectionStateChange(
+      AttachCurrentThread(), device_android->GetJavaObject().obj(),
+      true /* success */, true /* connected */);
+}
+
 }  // namespace device