Temporary fix for a settings bug

TODO

 # Fixes
 
+- Replace AddressbookSettingsActivity, or open it with an implicit Intent from Settings
+    <Meeh> If I goto settings->addressbook it crashes
+    <str4d> I have an Intent specified in the settings XML
+    <str4d> But I can't specify the package there, because the package depends on the flavor
 - Browser crash
     <zzz> in the browser, hitting reload on a failed page does it. Or going back and then clicking the same addressbook entry
 - Display auto-start setting correctly in I2PTunnel

app/src/main/res/xml/settings_headers.xml

@@ -24,7 +24,7 @@
     <header
         android:title="@string/label_addressbook">
         <intent
-            android:targetPackage="net.i2p.android.router"
+            android:targetPackage="net.i2p.android"
             android:targetClass="net.i2p.android.router.addressbook.AddressbookSettingsActivity" />
     </header>
     <header