Fix a double free error in vr_message_process_response

Change-Id: Ic8c84d076d078a87adaf6d4398373c368db0361c
Closes-bug: #1394147
(cherry picked from commit 9f7b8ca9a56af6cbd84bd5f19e035b24eb83b1f8)
Merge "Fix a double free error in vr_message_process_response" into R2.0