Fixed display of volume control on Chromebook Pixel (which has a touch screen, but is not a smartphone or tablet).
Merge pull request #1 from SmithKettlewellRERC/fix-volume-control-on-chromebook-pixel

Volume control is incorrectly hidden on Chromebook Pixel
Merge pull request #1093 from SmithKettlewellRERC/master

Volume control is incorrectly hidden on Chromebook Pixel