Allow response payload on RIL_REQUEST error

Enable response payload while RIL_REQUEST returns error. RIL must explicitly pass NULL
for the response parameter if there is no response payload.

	modified:   ril.cpp
1 file changed
tree: 3a5ac92b96cfb59d17bcc99b13213a310eadc669
  1. include/
  2. libril/
  3. reference-cdma-sms/
  4. reference-ril/
  5. rild/