Merge "Pull up all apps interaction First phase implementation: dragging and animation interaction is implemented namely in two classes. ScrollGestureDetector and AllAppsTransitionController." into ub-launcher3-calgary
am: 63741779e5

* commit '63741779e564ea9c6814800199b994f7464906db':
  Pull up all apps interaction First phase implementation: dragging and animation interaction is implemented namely in two classes. ScrollGestureDetector and AllAppsTransitionController.

Change-Id: I8b8ed62b8ea945e7931a90b8b6e95ff358ed492b