tree 74c47eb69f68297f9ab3f1ddc8a7e121ac910e65
parent c777bef903816348af83ff473551e121017d5829
author George Liu <liuxiwei@inspur.com> 1606120814 +0800
committer George Liu <liuxiwei@inspur.com> 1615881106 +0800

Update physical LEDs as part of Lamp test

- Add the getSubTreePaths method for utils and update all physical
  LEDs.

- Uses GetSubTreePath on Physical LED paths and interfaces and
  updates all the LEDs to ON as part of start or restart of the test.

- When the lamp test is stopped or the timer expires, all the LEDs
  are turned OFF.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I27727db62fe963a1a7c8b391d73801bcaf9efeec