Fix for race condition in pollState

When radio is off and sim state READY event is received after
querying for voice and data registration states, the response
is considered as stale and ignored. Check if modem triggered
polling is pending before ignoring the registration states
response.

Change-Id: Idc106a4860eb1b2e9c1debad54bd3de0e724ad7a
CRs-Fixed: 2009191
1 file changed