* changes
+ Add checkbox to layout file and handling code in related classes.
+ Add new methods to VpnProfileActor.
+ Move dialog handling to VpnSettings from AuthenticatorActor in order
to support screen orientation change.
+ Hide "Connect" in the context menu if the profile is connecting.
+ Enable connecting profile in case it was disabled in last call.
PATCH SET 2:
+ Add import com.android.settings.R
PATCH SET 3:
+ Remove @Override interface methods to be compilable by Java 1.5.
PATCH SET 4:
+ Add import android.net.vpn.VpnManager
PATCH SET 5:
+ Add license headers.
PATCH SET 6:
+ Remove Constant.java and move the constants to VpnSettings.
+ Make AuthenticationActor implement DialogInterface's handlers.
+ Remove trailing spaces.
PATCH SET 7:
+ Remove default username.