Gets list of syncd docker names.
There should be a docker name for each NPU present on the DUT.
def test_fun(duthosts, rand_one_dut_hostname):
duthost = duthosts[rand_one_dut_hostname]
syncd_names = duthost.get_syncd_docker_names()
Takes no arguments.
List of docker names. If there is only one NPU, the output should be ["syncd"]