[DPP] Handle DPP timeout event correctly

Handle DPP timeout event correctly. Terminate any pending initiator
request and clean up resources. Change the timeout from 30s to 40s to
allow better interoperability with low power devices.

Bug: 122593341
Test: act.py -c ../WifiDppConfig.json -tc WifiDppTest
Change-Id: Icb4d8879307ab8fada9860b302f3df2fdcd7da6b
1 file changed