An action block that transmits an IR command.
The fiber will proceed when the command has been transmitted.
The command pattern must be an array where each element is a microsecond duration, alternating between on and off: [on, off, on, off, on, …]. The total duration of a command, the sum of all element, may not be longer that 2 seconds (2 000 000 μs).
Note! This feature require Android 4.4+.