NumberPicker does not hide IME when flinged.

Now the IME is hiddedn once the user starts flinging since he is
using another method of updating the current value. This is now
consistent with the case of shown IME and poking the up/down
button.

bug:5174339

Change-Id: Id25934f394314a285b753f0bec7f422034ada90a
1 file changed