takes a screenshot and copies it to the host
usage: fx screenshot [--landscape] [--png] [--trim] [-o <screencap_file>] This command invokes Fuchsia's screencap tool to create a screenshot. The result is written to screencap.ppm or screencap.png. To write to another filename, use the -o parameter. The --trim, --landscape and --png commands require ImageMagick to be installed. Unrecognized parameters will be passed to ssh. -o FILENAME Write to the given filename instead of screencap.ppm --png Create a .png file instead of a .ppm file --trim Remove black borders --landscape Rotate image ninety degrees Example usage: fx screenshot --trim --png --landscape