fix multi user support

Change-Id: If67bbad34cd5a99fc6353ee2d4a736bfaa042ddf
remove PIE_STICK

Change-Id: Id92e8dc869682762cb65243f2bcca1cbae2756c6
fix pie_stick build

Change-Id: I39b0a26cd579812acdb51797738a24ba6ce4ede3