add log4j dynamic rename
add dynamic log4j rename, and later will do the log analysis, and give 
a colorful report of test cases: time, mem , Error, Exception, Fail,
Caused by, GC_CONCURRENT, total times, Activity Displayed Time < 2s
NullPointerException,OOM,ClassNotFoundException,....
ANR,
Crash,
....
deleted logs/... run_stamp/logs/ring-log4j.log logs/log

Signed-off-by: wb-chenguangjian@alibaba-inc.com <wb-chenguangjian@alibaba-inc.com>
Merge branch 'master' of https://github.com/universsky/AndroidAutomationTestUniverssky