Update PhoneSearchIndexablesProvider for supporting queryNonIndexableKeys(...)

- add the new requested method "queryNonIndexableKeys" from the contract

Change-Id: I76759a95ba1a084f474ebe4902ce0d4a9b5e4d3d
diff --git a/src/com/android/phone/PhoneSearchIndexablesProvider.java b/src/com/android/phone/PhoneSearchIndexablesProvider.java
index aab3ba9..4b2476c 100644
--- a/src/com/android/phone/PhoneSearchIndexablesProvider.java
+++ b/src/com/android/phone/PhoneSearchIndexablesProvider.java
@@ -31,6 +31,7 @@
 
 import static android.provider.SearchIndexablesContract.INDEXABLES_RAW_COLUMNS;
 import static android.provider.SearchIndexablesContract.INDEXABLES_XML_RES_COLUMNS;
+import static android.provider.SearchIndexablesContract.NON_INDEXABLES_KEYS_COLUMNS;
 
 public class PhoneSearchIndexablesProvider extends SearchIndexablesProvider {
     private static final String TAG = "PhoneSearchIndexablesProvider";
@@ -69,4 +70,9 @@
         MatrixCursor cursor = new MatrixCursor(INDEXABLES_RAW_COLUMNS);
         return cursor;
     }
+    @Override
+    public Cursor queryNonIndexableKeys(String[] projection) {
+        MatrixCursor cursor = new MatrixCursor(NON_INDEXABLES_KEYS_COLUMNS);
+        return cursor;
+    }
 }
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