Add Enterprise Wifi connection support in sl4a. [Take 2]
b/19590352

Also add sl4a support to enable/disable lockscreen with password,
which is essential because keystore is locked without a lockscreen password.

Also fix:
b/19590414
b/19585194

Change-Id: I87d4057fea18c60275613bc81d24e7ad20c59329
3 files changed