e_info: Add 'transform' command for video_shell
winfo -video_shell transform [HANDLE] [0|90|180|270] [OPTIONS]
--help Show this help message and exit
--geometry Geometry to be transformed. X and Y values are translated by surface-local coordination. Format: [X,Y,WIDTH,HEIGHT]
--ratio Set aspect ratio. If both WIDTH and HEIGHT are set to -1, aspect ratio will be disabled. Format: [WIDTH,HEIGHT]
NOTE: The HANDLE is a viewport handle you can find with `winfo -video_shell info`
Change-Id: I04010091e632d78e782259166733502958cc2a55