Replace mouse actions in pointer event tests with pointerActionSequence

third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-mouse-manual-automation.js

 importAutomationScript('/pointerevents/pointerevent_common_input.js');
 
 function inject_input() {
-  return mouseClickInTarget('#target0').then(function() {
-    return mouseWheelScroll('down');
-  }).then(function() {
-    return mouseWheelScroll('right');
-  });
+  return touchActionMouseScroll('#target0');
 }