3335 替换boss复活倒计时机制，由使用本机时间修改为使用服务器时间，防止玩家在倒计时过程中修改本机时间导致倒计时表现错误。

client_Wu Xijin

2018-10-08 6cd55bf12c7eb5d05a3ddcc1d3ef1994616227cd

 System/FindPrecious/FindPreciousBossBriefInfoBehaviour.cs

@@ -51,7 +51,7 @@
                FindPreciousModel.BossInfo bossInfo = null;

                if (findPreciousModel.TryGetBossInfo(bossId, out bossInfo))

                {

                    return !findPreciousModel.IsBossAlive(bossId) && DateTime.Now > bossInfo.refreshTime;

                    return !findPreciousModel.IsBossAlive(bossId) && TimeUtility.ServerNow > bossInfo.refreshTime;

                }

                else

                {

@@ -142,13 +142,13 @@
                FindPreciousModel.BossInfo bossInfo;

                if (findPreciousModel.TryGetBossInfo(bossId, out bossInfo) && !bossInfo.IsBossAlive())

                {

                    if (DateTime.Now > bossInfo.refreshTime)

                    if (TimeUtility.ServerNow > bossInfo.refreshTime)

                    {

                        m_CoolDown.gameObject.SetActive(false);

                    }

                    else

                    {

                        m_CoolDown.Begin(bossInfo.refreshTime, OnBossCoolDownCompleted);

                        m_CoolDown.Begin((int)(bossInfo.refreshTime - TimeUtility.ServerNow).TotalSeconds, OnBossCoolDownCompleted);

                    }

                }

                else