We want to send the following HDMI CEC commands from the Android Box to the TV:
- get TV status (is it turned ON or OFF?)
- get TV's current active source (HDMI1/HDMI2/...)
- turn ON TV
- turn off TV (standby)
- switch HDMI source from HDMI1 to HDMI2
You can read more about CEC frames here: Understanding HDMI CEC frame