VpnSettings: pass certificates to racoon directly.

Also fix some style issues.

Change-Id: I7ca46d0cc3038f21ef5904d4515e90907a21d613
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 5b6d24a..7b246a0 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -23,6 +23,7 @@
     <uses-permission android:name="android.permission.ACCESS_DOWNLOAD_MANAGER" />
     <uses-permission android:name="android.permission.READ_CONTACTS" />
     <uses-permission android:name="android.permission.WRITE_CONTACTS" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
     <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
     <uses-permission android:name="android.permission.INTERNET" />