tree f21108713cec8913e0a06aa37ede16ca380efc88
parent 33c619bb52c9e3e62b7243c9b1d9a75189885427
author Jeff Sharkey <jsharkey@android.com> 1437435415 -0700
committer Jeff Sharkey <jsharkey@android.com> 1437435474 -0700

Avoid NPE when no staged installs.

listFiles() returns null instead of empty list; deal with it.

Bug: 22608671
Change-Id: I60dabec31932af3cded915c6927a4c5e5c71775d