Move key press storage into Control class.
Move key press storage into Control class.


Former-commit-id: 3799b807a64f72ac641f099e77ddcd13635942d9 [formerly cae2b2de1ab7109917c9f56dc7ab4bba89596417]
Former-commit-id: 0ce331e15d612a9ae7884ad32a4bc379d2e406fa
tourdrone/cvdrone,tourdrone/cvdrone