Make sure to set-up listener last in NonPhoneDependencyTest.

It turns out that when the listener is added, a notification could come
in, and then call one of the managers that wasn't set up yet, causing an
NPE. This led to some flaky presubmits.

Bug: 72648842
Test: none
Change-Id: I250e916246ba7ce8aa356e941ad2b5551303c472