bluetooth: android: Implement Descriptor Write as needed for notifications.

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 1d1498cbf69b61074777280a54de34843e615c2d..55c83b2fbe30dd7fabac1ba5a9720759a5a0a99b 100644
--- a/device/bluetooth/test/bluetooth_test_android.cc
+++ b/device/bluetooth/test/bluetooth_test_android.cc
@@ -277,6 +277,15 @@ void BluetoothTestAndroid::SimulateGattDescriptor(
       base::android::ConvertUTF8ToJavaString(env, uuid).obj());
 }
 
+void BluetoothTestAndroid::SimulateGattDescriptorWriteWillFailSynchronouslyOnce(
+    BluetoothGattDescriptor* descriptor) {
+  BluetoothRemoteGattDescriptorAndroid* descriptor_android =
+      static_cast<BluetoothRemoteGattDescriptorAndroid*>(descriptor);
+  Java_FakeBluetoothGattDescriptor_setWriteDescriptorWillFailSynchronouslyOnce(
+      base::android::AttachCurrentThread(),
+      descriptor_android->GetJavaObject().obj());
+}
+
 void BluetoothTestAndroid::OnFakeBluetoothDeviceConnectGattCalled(
     JNIEnv* env,
     const JavaParamRef<jobject>& caller) {
@@ -315,4 +324,12 @@ void BluetoothTestAndroid::OnFakeBluetoothGattWriteCharacteristic(
   base::android::JavaByteArrayToByteVector(env, value, &last_write_value_);
 }
 
+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