OS: Chrome

Tests fail since R64-10166.0.0

display_HotPlugAtSuspend.extended and display_HotPlugAtSuspend.mirrored tests are failing with reason 'TEST CASE: PLUG > SUSPEND > PLUG > PLUG > RESUME - client failed to sleep after 20 seconds'

Test result link: https://stainless.corp.google.com/search?view=matrix&row=board&col=build&first_date=20171116&last_date=20171215&suite=chameleon_hdmi_perbuild&test=display_HotPlugAtSuspend.extended%7Cdisplay_HotPlugAtSuspend.mirrored&status=FAIL&status=ERROR&status=ABORT&reason=TEST+CASE%3A+PLUG+%3E+SUSPEND+%3E+PLUG+%3E+PLUG+%3E+RESUME+-+client+failed+to+sleep+after+20+seconds&exclude_cts=false&exclude_not_run=true&exclude_non_release=false&exclude_au=true&exclude_acts=true&exclude_retried=true&exclude_non_production=true