CTS verifier issue "Screen Pinning Test will fail"

Android M will set lock task mode after the
LOCK_TASK_END_MSG message was been handled.
It needs some time for waiting the lock task
mode changed.

The fix is to add a delay time between waiting lock
task mode changed and querying lock task mode.

Bug 23889618

Change-Id: I548ef7c077b79aaf158fa91f774df0c9379bcf1b
Signed-off-by: Benson Huang <benson.huang@mediatek.com>
1 file changed