LU-5042 ldlm: delay filling resource's LVB upon replay

LU-5042 ldlm: delay filling resource's LVB upon replay

This patch is an attempt to delay unnecessary filling+resend of
resource's LVB upon replay after Server reboot.
This should avoid recovery to take a very long time when
replaying a huge number of locks and due to all associated LVBs
beeing read from disk. Now resource's LVB is only read upon need
to be sent to a new Client.

Signed-off-by: Bruno Faccini <bruno.faccini@intel.com>
Change-Id: I20bd20bce328953c46accb4b41dcba776f3608a6
Reviewed-on: http://review.whamcloud.com/10845
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>