[docker] Update server flags

As a part of 27ac602108ab5e6b4e2211c2bfae3b36badc3121 we now need
to have the flag --unlock_unsafe_flags set to true when
--use_hybrid_clock is set to false.

Change-Id: I374413aec58b43170892fddc78d5539ebe244786
Reviewed-on: http://gerrit.cloudera.org:8080/19027
Tested-by: Kudu Jenkins
Reviewed-by: Yingchun Lai <acelyc1112009@gmail.com>
Reviewed-by: Alexey Serbin <alexey@apache.org>
1 file changed