CEC VTS: Improve testGetPhysicalAddress

VTS test to validate the response of getPhysicalAddress() HAL api.

Bug: 157402557
Test: vts-tradefed run commandAndExit vts-hal-tv -m VtsHalTvCecV1_0Host
Change-Id: I7922949b44655e22964232575edb274e45f5f692
1 file changed