Use CallerInfo correctly in Telecomm

Remove unused ContactInfo class
Pipe CallerInfo through to CallLogManager.addCall, and correctly
update data usage stats to fix speed dial.

Bug: 16232694
Bug: 15665694

Change-Id: Ibed9f53193b64891bffff30fd37b47062ab60048
diff --git a/src/com/android/telecomm/Call.java b/src/com/android/telecomm/Call.java
index 4055444..0035aac 100644
--- a/src/com/android/telecomm/Call.java
+++ b/src/com/android/telecomm/Call.java
@@ -943,6 +943,10 @@
         }
     }
 
+    CallerInfo getCallerInfo() {
+        return mCallerInfo;
+    }
+
     /**
      * Saves the specified photo information if the specified token matches that of the last query.
      *