bluetooth: android: Implement & test CreateGattConnection.

device/bluetooth/test/bluetooth_test_android.h

Index: device/bluetooth/test/bluetooth_test_android.h
diff --git a/device/bluetooth/test/bluetooth_test_android.h b/device/bluetooth/test/bluetooth_test_android.h
index 63e8f9fa82533d96b387221b235fbab5d6985e40..f28b745a01fb6ac0122fa37e1eacbdcde0bb7ad8 100644
--- a/device/bluetooth/test/bluetooth_test_android.h
+++ b/device/bluetooth/test/bluetooth_test_android.h
@@ -27,6 +27,16 @@ class BluetoothTestAndroid : public BluetoothTestBase {
   void InitWithoutDefaultAdapter() override;
   void InitWithFakeAdapter() override;
   void DiscoverLowEnergyDevice(int device_ordinal) override;
+  void CompleteGattConnection(BluetoothDevice* device) override;
+  void FailGattConnection(BluetoothDevice* device,
+                          BluetoothDevice::ConnectErrorCode) override;
+  void CompleteGattDisconnection(BluetoothDevice* device) override;
+
+  // Records that Java FakeBluetoothDevice connectGatt was called.
+  void OnBluetoothDeviceConnectGattCalled(JNIEnv* env, jobject caller);
+
+  // Records that Java FakeBluetoothGatt disconnect was called.
+  void OnFakeBluetoothGattDisconnect(JNIEnv* env, jobject caller);
 
   base::android::ScopedJavaGlobalRef<jobject> j_fake_bluetooth_adapter_;
 };