This change moves SwipeTracker out from LatinKeyboardBaseView. Also this introduces EventBuffer class for swipe tracking buffer. Bug: 2910379 Change-Id: I48ff714226a248ca063cbaf9755cf45e458f7402
Change-Id: I002dcd43b91f9a7911b52ef1d5b7b16acb01209d
TODO: Cleanup will follow. Change-Id: I4a68ba9f2f55760aa24187f1f13fdfa8a0b70963