tree bffc583735b8a2499dbfc282dfd3d26240d1fb4c
parent 4e7a48f2f59e9e992d270ec28da475074840b098
author vadimt <vadimt@google.com> 1580846778 -0800
committer vadimt <vadimt@google.com> 1580846778 -0800

Investigator: adding "Screen is empty" as another sign of crashed sysui

Also generating recognizable anomaly message in more cases

Change-Id: Ia4d4d87a1a46291f3ea1057e00acbd98d9ccb3a5