Merge "Add velocity threshold so that fast pinches (flings) are detected." into ub-launcher3-calgary
am: 3b21a97

* commit '3b21a970795e32de46a92de227e91b9efa1f6478':
  Add velocity threshold so that fast pinches (flings) are detected.

Change-Id: I18a33c980b0087e0e2bc38ea70beae737d44368d