Merge changes If7b8ed3f,I309c3825,Iafd06419,I59f73caf into nyc-dev am: bd1708a19d
am: 4f60ba2480

* commit '4f60ba2480599935e1fca8f02b04c7184f18937a':
  Fixes several animation issues related to a dismissing task.
  Pipe the dismiss button logic through the touch handler.
  Skip scroll-to animation when undocking and there are no tasks.
  Fixing issue with docking being disallowed for secondary user.

Change-Id: I06adfcc6bd106152443ac36efcc04b2d336ad24e