DO NOT MERGE Fix NPE in executeDeletePackageLIF. The parameter allUserHandles may sometimes be null. Change-Id: Ie58cabe4bb1cae7173ad1d027e993a0b82a9f1ef Bug: 167233572 Bug: 140256621 Test: atest EphemeralTest (cherry picked from commit 01e0f4813af8502faaa683d55dbbc024b3080741)