Improve check for activity on top after launch. am: a871a99ebc am: b7ff856a2a am: b27e249370
am: fdceed85ed

Change-Id: If956df92b61dd8d6a973dc1d8007b8fa874b4d22
tree: 05c84262a047f96272bab58c9504ce88b51ce66d
  1. tests/