tree 47a5b688421dfdc03f0bb4aae2e368a202d0e94e
parent 5ab3e66116f422756b3dec6397ff8db6877f3469
author lpeter <lpeter@google.com> 1549955722 +0800
committer lpeter <lpeter@google.com> 1549960049 +0800

Fixes NullPointerException for DockManager.

To check if DockManager component is null or not before using.

Bug: 124136994
Test: atest SystemUIGoogleTests
Test: manual
Change-Id: Ifa7dfc5b8035f647ff679995df94fbde6fdbfdf2