Link Gestures library in

The Gesture object is allocated in PreInit and freed in UnInit. The
gestures are only performed when a DeviceIntPtr is available, so
DeviceInit and DeviceClose give and take the DeviceIntPtr to/from the
gesture module.

BUG=chromium-os:16799,chromium-os:16811,chromium-os:16801
TEST=built, ran on device, pointer moves

Change-Id: Ic6a1b2803740b19048fc7e0d40c78bd0ee80f87c
6 files changed