ITS: sc-dev dismiss keyguard

bug: 181025125
Change-Id: I6d7f39fa40284c292d05fc4fb7e2184833def10c
diff --git a/apps/CameraITS/tests/its_base_test.py b/apps/CameraITS/tests/its_base_test.py
index 023d62f..5bacd24 100644
--- a/apps/CameraITS/tests/its_base_test.py
+++ b/apps/CameraITS/tests/its_base_test.py
@@ -147,6 +147,9 @@
     time.sleep(TABLET_CMD_DELAY_SEC)
     self.tablet.adb.shell(['input', 'keyevent', 'KEYCODE_WAKEUP'])
     time.sleep(TABLET_CMD_DELAY_SEC)
+    # Dismiss keyguard
+    self.tablet.adb.shell(['wm', 'dismiss-keyguard'])
+    time.sleep(TABLET_CMD_DELAY_SEC)
     # Turn off the adaptive brightness on tablet.
     self.tablet.adb.shell(
         ['settings', 'put', 'system', 'screen_brightness_mode',