firmare_Cr50DeviceState: modify pwrbutton press am: bdb2b87421 am: 12ff8f5a16

Change-Id: I2504fa730e4d39dd481679e3ab7b45baefc38491
diff --git a/server/site_tests/firmware_Cr50DeviceState/firmware_Cr50DeviceState.py b/server/site_tests/firmware_Cr50DeviceState/firmware_Cr50DeviceState.py
index 0f70042..86c4421 100644
--- a/server/site_tests/firmware_Cr50DeviceState/firmware_Cr50DeviceState.py
+++ b/server/site_tests/firmware_Cr50DeviceState/firmware_Cr50DeviceState.py
@@ -359,7 +359,9 @@
 
     def ap_is_on_after_power_button_press(self):
         """Returns True if the AP is on after pressing the power button"""
-        self.servo.power_short_press()
+        # TODO (mruthven): use self.servo.power_short_press() once kukui power
+        # button issues are figured out.
+        self.servo.power_key(1)
         # Give the AP some time to turn on
         time.sleep(self.cr50.SHORT_WAIT)
         return self.cr50.ap_is_on()