P2P:initiate provisioning on persistant group removed.

The initiator, on a response from the peer with unknown group during
the persistent reinvocation has to transit to the provisioning state
to handle all the config methods (PIN and PBC).
This commit ensures the same.

Change-Id: Iafd8e14681628c002f613172ad36a1da7efb5369
CRs-fixed: 653078
Wifi: Add a feature to control wifi auto connect.

If wifi connection type and gsm to wifi connection type is auto connect,
auto connect wifi.
CRs-Fixed: 507965

Change-Id: Icbfc58c93f13e97a2b6c6526d154153031e4b77c

Conflicts:
	core/java/android/provider/Settings.java