Fixes an issue that occured unexpected exception "pointerIndex out of range".

The findNewActiveIndex method may return -1.
So, the code should check case of -1 before event.getPointerId
and if index0 is -1, gesture should be ended immediately.

Change-Id: I4aae5c84e3db61d10b0bfcfa7bfa6b9115231a52
1 file changed