Add vibration code to Ringer

When there's a new incoming call, vibrate (according to preferences
and volume settings) the device as well as ringing it.

Bug: 13365911
Change-Id: Id67999a173d36aa4d8472a52ac4ab95eaaea0fb0
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index d58c898..800cfac 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -26,7 +26,8 @@
     <uses-permission android:name="android.permission.READ_CALL_LOG" />
     <uses-permission android:name="android.permission.WRITE_CALL_LOG" />
 
-    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS"></uses-permission>
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+    <uses-permission android:name="android.permission.VIBRATE" />
 
     <!-- Declare which SDK level this application was built against. This is needed so that IDEs
          can check for incompatible APIs. -->