ITS: remove space in KEYCODE call.

bug: 181025125
Change-Id: If0cc0d2dcbdac5dc6bace5d1100d3640f591c6e8
diff --git a/apps/CameraITS2.0/tests/its_base_test.py b/apps/CameraITS2.0/tests/its_base_test.py
index 8c5ea76..86dfefc 100644
--- a/apps/CameraITS2.0/tests/its_base_test.py
+++ b/apps/CameraITS2.0/tests/its_base_test.py
@@ -136,7 +136,7 @@
     time.sleep(WAIT_TIME_SEC)
 
   def setup_tablet(self):
-    self.tablet.adb.shell(['input', 'keyevent ', 'KEYCODE_WAKEUP'])
+    self.tablet.adb.shell(['input', 'keyevent', 'KEYCODE_WAKEUP'])
     # Turn off the adaptive brightness on tablet.
     self.tablet.adb.shell(
         ['settings', 'put', 'system', 'screen_brightness_mode',