* Changes
+ Add L2tpActor, L2tpEditor, L2tpIpsecPskActor.
+ Make L2tpIpsecEditor extend L2tpEditor.
+ Revise the code for saving username. Make
VpnSettings.saveProfileToStorage() static.
+ Fix support for screen orientation change in both VpnSettings and
VpnEditor.
Patch Set 2:
+ Remove Util.isNullOrEmpty(). Use TextUtils.isEmpty() instead.
+ Remove unused imports. Wrap lines longer than 80 chars.
Patch Set 3:
+ Fix all the strings according to UI feedback.
+ Remove all the added actor subclasses and move password to editor.
+ Remove VPN entry in Security & location.
Patch Set 4:
+ Misc string fixes.
Patch Set 5:
+ Add strings for credential storage settings.
+ Changed the error dialog icon.
+ Fix "Remember me" indentation in connect dialog.
Patch Set 6:
+ resolve res/values/strings.xml
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.
