Fix broken reference to R file.

The "yesterday" and "tomorrow" strings seem like they come from
packages/apps/Contacts/res/values/strings.xml, not from
ContactsCommon.

Change-Id: Ic37cf0187a569bdd33a6d9f4639e09f36e6fc0ae
diff --git a/src/com/android/contacts/interactions/ContactInteractionUtil.java b/src/com/android/contacts/interactions/ContactInteractionUtil.java
index a8a66f3..98d45ee 100644
--- a/src/com/android/contacts/interactions/ContactInteractionUtil.java
+++ b/src/com/android/contacts/interactions/ContactInteractionUtil.java
@@ -26,7 +26,7 @@
 
 import java.util.Calendar;
 
-import com.android.contacts.common.R;
+import com.android.contacts.R;
 
 
 /**