Contact list contact context menu rewritten using xml menu resource.

app/src/main/res/menu/contact_list_contact_context_menu.xml

+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:id="@+id/action_chat"
+        android:title="@string/chat_viewer" />
+
+    <item android:id="@+id/action_edit_conference"
+        android:title="@string/muc_edit" />
+
+    <item android:id="@+id/action_delete_conference"
+        android:title="@string/muc_delete" />
+
+    <item android:id="@+id/action_join_conference"
+        android:title="@string/muc_join" />
+
+    <item android:id="@+id/action_leave_conference"
+        android:title="@string/muc_leave" />
+
+    <item android:id="@+id/action_contact_info"
+        android:title="@string/contact_viewer" />
+
+    <item android:id="@+id/action_edit_contact_groups"
+        android:title="@string/edit_contact_groups" />
+
+    <item android:id="@+id/action_delete_contact"
+        android:title="@string/contact_delete" />
+
+    <item android:id="@+id/action_close_chat"
+        android:title="@string/close_chat" />
+
+    <item android:id="@+id/action_request_subscription"
+        android:title="@string/request_subscription" />
+
+    <item android:id="@+id/action_accept_subscription"
+        android:title="@string/accept_subscription" />
+
+    <item android:id="@+id/action_discard_subscription"
+        android:title="@string/discard_subscription" />
+</menu>
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