Adds a "You: " prefix to messages sent by you

bug: 17107373
Change-Id: I93518d0c98f27b89f9db1f1d0372d84ffee8dade
diff --git a/src/com/android/contacts/interactions/SmsInteraction.java b/src/com/android/contacts/interactions/SmsInteraction.java
index ac83786..3f86eef 100644
--- a/src/com/android/contacts/interactions/SmsInteraction.java
+++ b/src/com/android/contacts/interactions/SmsInteraction.java
@@ -54,7 +54,11 @@
 
     @Override
     public String getViewHeader(Context context) {
-        return getBody();
+        String body = getBody();
+        if (getType() == Sms.MESSAGE_TYPE_SENT) {
+            body = context.getResources().getString(R.string.message_from_you_prefix, body);
+        }
+        return body;
     }
 
     @Override