tree b8573db9529c421ab525f2b80a21433e0ec5d321
parent e6691f34c1b747289a9b7619164f438920c6f4ee
author vadimt <vadimt@google.com> 1572921498 -0800
committer vadimt <vadimt@google.com> 1572982235 -0800

Not treating "Screen is empty" as an anomaly in NavigationModeSwitchRule

It's an acceptable state when Launcher just starts under
 instrumentation.

Change-Id: Ia6eb2550effbd9236bb955e0c0e04416fc5fa506