Some code cleaning

- use MatrixCursor var as in the other cases

Change-Id: Iba1163a851e62de9a0dd6e7c1c5d28f06452bdba

src/com/android/settings/search/SettingsSearchIndexablesProvider.java

@@ -63,7 +63,7 @@ public class SettingsSearchIndexablesProvider extends SearchIndexablesProvider {
 
     @Override
     public Cursor queryRawData(String[] projection) {
-        Cursor result = new MatrixCursor(INDEXABLES_RAW_COLUMNS);
+        MatrixCursor result = new MatrixCursor(INDEXABLES_RAW_COLUMNS);
         return result;
     }