autotest/tp-qemu — pull request #214 by xutian (2014-11-10 05:00:27+00:00)
Title: qemu.test: rework timedrift_adjust_time releated case

Update:
1. use epoch time to avoid timezone convert issue.
2. use OS build-in shell to adjuest host/guest clock.
3. use private brige to avoid guest sync time from network.
4. remove s4 releated configuration.

Signed-off-by: Xu Tian