Add permissions to access voicemail.

The call log needs to show voicemail and therefore the Contacts app
needs these permissions.

Change-Id: Id20ab3a7ad00b6de8c876a889ce8b73aabe5acc9
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index f10ae75..88395bf 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -38,6 +38,8 @@
     <uses-permission android:name="android.permission.USE_CREDENTIALS" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.READ_SYNC_SETTINGS" />
+    <uses-permission android:name="com.android.voicemail.permission.READ_WRITE_OWN_VOICEMAIL" />
+    <uses-permission android:name="com.android.voicemail.permission.READ_WRITE_ALL_VOICEMAIL" />
 
     <application
         android:name="com.android.contacts.ContactsApplication"