fmbttizen: touchDevice and mouseDevice added

fmbttizen.Device(touchDevice="virtual") forces creation of
new virtual touch device for user input.
fmbtandroid: fix setDisplaySize()
fmbtgti: experimental OIR parameter: preprocess

Enables matching processed images. Example: black-and-white
comparison (pretty immune to color changes):
    dut.verifyBitmap("ref.png", preprocess="-threshold 60%")
Merge remote-tracking branch '01/devel' into for-devel