am f9e28fd2: am 21a6c8a9: am 4d89e2af: clean up backup imports

* commit 'f9e28fd25c9215a4dcac5ce2376a8376911d3e55':
  clean up backup imports
diff --git a/src/com/android/launcher3/LauncherBackupHelper.java b/src/com/android/launcher3/LauncherBackupHelper.java
index 8023fcd..f85d484 100644
--- a/src/com/android/launcher3/LauncherBackupHelper.java
+++ b/src/com/android/launcher3/LauncherBackupHelper.java
@@ -187,7 +187,7 @@
             Log.e(TAG, "launcher backup has failed", e);
         }
 
-        out.key = keys.toArray(BackupProtos.Key.EMPTY_ARRAY);
+        out.key = keys.toArray(BackupProtos.Key.emptyArray());
         writeJournal(newState, out);
         Log.v(TAG, "onBackup: wrote " + out.bytes + "b in " + out.rows + " rows.");
     }
@@ -259,7 +259,7 @@
         // will catch any changes the restore process might have made
         Journal out = new Journal();
         out.t = 0;
-        out.key = mKeys.toArray(BackupProtos.Key.EMPTY_ARRAY);
+        out.key = mKeys.toArray(BackupProtos.Key.emptyArray());
         writeJournal(newState, out);
         Log.v(TAG, "onRestore: read " + mKeys.size() + " rows");
         mKeys.clear();