Don't show old matches if no smartdial matches found

Change-Id: If851c291273aa5296f1d59edccc83e6d4019be76
diff --git a/src/com/android/dialer/dialpad/DialpadFragment.java b/src/com/android/dialer/dialpad/DialpadFragment.java
index 77aa57a..b862f76 100644
--- a/src/com/android/dialer/dialpad/DialpadFragment.java
+++ b/src/com/android/dialer/dialpad/DialpadFragment.java
@@ -1698,8 +1698,7 @@
 
     @Override
     public void setSmartDialAdapterEntries(List<SmartDialEntry> data) {
-        if (data == null || data.isEmpty()) {
-            // No results found.  Keep the last results.
+        if (data == null) {
             return;
         }
         mSmartDialAdapter.setEntries(data);