Add "show call history" list item.

+ Add new VIEW_TYPE to the CallLogAdapter.
+ Reintroduce boolean on CallLogAdapter to specify if a call history
list item should be shown.
+ Add new ViewHolder and layout for footer.
+ Some minor styling tweaks and cleanups.

Bug: 20108202
Change-Id: Ie4a86bff9e53cfd69ef8b061af048f40f4358579
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 4ee5b45..7568604 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -512,8 +512,8 @@
     <!-- Shortcut item used to make a video call directly from search. -->
     <string name="search_shortcut_make_video_call">Make video call</string>
 
-    <!-- Title for the recent calls footer that brings users to the full call history when clicked -->
-    <string name="recents_footer_text">View full call history</string>
+    <!-- Title for the call log list item that brings users to the full call history when clicked -->
+    <string name="show_call_history">View full call history</string>
 
     <!-- Number of missed calls shown on call card [CHAR LIMIT=40] -->
     <string name="num_missed_calls"><xliff:g id="number">%s</xliff:g> new missed calls</string>