With Dynamic mode changes there can be a new race-condition
a user-request comes during start/stop modules.
When any request from the North bound add check to see if we are
in any driver state transition and return failure to the upper layer
during the starting/stopping of the modules.
Change-Id: I8718bd2293b05a825a791775118d2379cf8f33d2
CRs-Fixed: 1058938