* Use const reference parameter type to avoid unnecessary copy.
* Use more efficient overloaded string methods.
Bug: 30407689
Bug: 30411878
Change-Id: Iefab05c077367f272abf545036b853e8a295c8cd
Test: build with WITH_TIDY=1
Currently fugu has a custom subclass to handle this. The default code
supports devices with trackballs but not all shipping Nexus devices?
That's just silly.
Change-Id: Id2779c91284899a26b4bb1af41e7033aa889df10