Add All contacts option to overflow menu

Bug: 10348659
Change-Id: I354fc56fdcb63d0b03f6d66cfb4d85b7700e3545
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 3235d77..65746bb 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -338,6 +338,9 @@
     <!-- Menu item to create a new contact -->
     <string name="menu_newContact">New contact</string>
 
+    <!-- Menu item to display all contacts -->
+    <string name="menu_allContacts">All contacts</string>
+
     <!-- Title bar for call detail screen -->
     <string name="callDetailTitle">Call details</string>