add nightly test for dist-device-sync (#8597)
add nightly test for dist-device-sync (#8597)


formath/mxnet,LinkHS/incubator-mxnet,sxjscience/mxnet,yuruofeifei/mxnet,solin319/incubator-mxnet,reminisce/mxnet,ykim362/mxnet,jiajiechen/mxnet,TuSimple/mxnet,weleen/mxnet,vikingMei/mxnet,precedenceguo/mxnet,madjam/mxnet,fullfanta/mxnet,indhub/mxnet,tlby/mxnet,hpi-xnor/BMXNet,solin319/incubator-mxnet,rahul003/mxnet,larroy/mxnet,TuSimple/mxnet,leezu/mxnet,ykim362/mxnet,larroy/mxnet,precedenceguo/mxnet,vikingMei/mxnet,CodingCat/mxnet,DickJC123/mxnet,jamesliu/mxnet,leezu/mxnet,jiajiechen/mxnet,tornadomeet/mxnet,jennyzhang0215/incubator-mxnet,LinkHS/incubator-mxnet,eric-haibin-lin/mxnet,reminisce/mxnet,ykim362/mxnet,ykim362/mxnet,dmlc/mxnet,TuSimple/mxnet,piiswrong/mxnet,indhub/mxnet,navrasio/mxnet,LinkHS/incubator-mxnet,dmlc/mxnet,piiswrong/mxnet,apache/incubator-mxnet,DickJC123/mxnet,dmlc/mxnet,hpi-xnor/BMXNet,tlby/mxnet,vikingMei/mxnet,madjam/mxnet,jennyzhang0215/incubator-mxnet,eric-haibin-lin/mxnet,tornadomeet/mxnet,luoyetx/mxnet,solin319/incubator-mxnet,leezu/mxnet,yuruofeifei/mxnet,zhreshold/mxnet,tlby/mxnet,eric-haibin-lin/mxnet,weleen/mxnet,solin319/incubator-mxnet,jennyzhang0215/incubator-mxnet,hpi-xnor/BMXNet,vikingMei/mxnet,mbaijal/incubator-mxnet,jiajiechen/mxnet,navrasio/mxnet,Northrend/mxnet,mbaijal/incubator-mxnet,navrasio/mxnet,indhub/mxnet,fullfanta/mxnet,luoyetx/mxnet,leezu/mxnet,larroy/mxnet,formath/mxnet,dmlc/mxnet,jamesliu/mxnet,fullfanta/mxnet,weleen/mxnet,ForkedReposBak/mxnet,vikingMei/mxnet,vikingMei/mxnet,precedenceguo/mxnet,tornadomeet/mxnet,jennyzhang0215/incubator-mxnet,piiswrong/mxnet,szha/mxnet,precedenceguo/mxnet,ptrendx/mxnet,sxjscience/mxnet,precedenceguo/mxnet,yajiedesign/mxnet,TuSimple/mxnet,navrasio/mxnet,CodingCat/mxnet,rahul003/mxnet,ForkedReposBak/mxnet,TuSimple/mxnet,mbaijal/incubator-mxnet,TuSimple/mxnet,sxjscience/mxnet,yuruofeifei/mxnet,yajiedesign/mxnet,tornadomeet/mxnet,formath/mxnet,precedenceguo/mxnet,hpi-xnor/BMXNet,solin319/incubator-mxnet,eric-haibin-lin/mxnet,yajiedesign/mxnet,ptrendx/mxnet,madjam/mxnet,rahul003/mxnet,ptrendx/mxnet,jamesliu/mxnet,szha/mxnet,mbaijal/incubator-mxnet,zhreshold/mxnet,vikingMei/mxnet,eric-haibin-lin/mxnet,ForkedReposBak/mxnet,reminisce/mxnet,eric-haibin-lin/mxnet,luoyetx/mxnet,TuSimple/mxnet,tlby/mxnet,zhreshold/mxnet,indhub/mxnet,LinkHS/incubator-mxnet,navrasio/mxnet,indhub/mxnet,ptrendx/mxnet,piiswrong/mxnet,TuSimple/mxnet,CodingCat/mxnet,zhreshold/mxnet,sxjscience/mxnet,formath/mxnet,CodingCat/mxnet,ptrendx/mxnet,apache/incubator-mxnet,ptrendx/mxnet,formath/mxnet,jennyzhang0215/incubator-mxnet,reminisce/mxnet,luoyetx/mxnet,jiajiechen/mxnet,szha/mxnet,ForkedReposBak/mxnet,indhub/mxnet,ptrendx/mxnet,reminisce/mxnet,fullfanta/mxnet,tlby/mxnet,yajiedesign/mxnet,Northrend/mxnet,sxjscience/mxnet,formath/mxnet,Northrend/mxnet,LinkHS/incubator-mxnet,szha/mxnet,weleen/mxnet,navrasio/mxnet,hpi-xnor/BMXNet,szha/mxnet,precedenceguo/mxnet,yuruofeifei/mxnet,Northrend/mxnet,madjam/mxnet,szha/mxnet,larroy/mxnet,tornadomeet/mxnet,Northrend/mxnet,sxjscience/mxnet,jiajiechen/mxnet,ykim362/mxnet,leezu/mxnet,navrasio/mxnet,weleen/mxnet,jamesliu/mxnet,CodingCat/mxnet,LinkHS/incubator-mxnet,yuruofeifei/mxnet,apache/incubator-mxnet,sxjscience/mxnet,formath/mxnet,rahul003/mxnet,DickJC123/mxnet,jamesliu/mxnet,larroy/mxnet,solin319/incubator-mxnet,dmlc/mxnet,Northrend/mxnet,ForkedReposBak/mxnet,formath/mxnet,rahul003/mxnet,jiajiechen/mxnet,ykim362/mxnet,piiswrong/mxnet,CodingCat/mxnet,ForkedReposBak/mxnet,luoyetx/mxnet,fullfanta/mxnet,tlby/mxnet,yuruofeifei/mxnet,ForkedReposBak/mxnet,rahul003/mxnet,madjam/mxnet,mbaijal/incubator-mxnet,apache/incubator-mxnet,zhreshold/mxnet,TuSimple/mxnet,CodingCat/mxnet,tornadomeet/mxnet,yuruofeifei/mxnet,leezu/mxnet,zhreshold/mxnet,fullfanta/mxnet,TuSimple/mxnet,jamesliu/mxnet,weleen/mxnet,leezu/mxnet,mbaijal/incubator-mxnet,reminisce/mxnet,vikingMei/mxnet,navrasio/mxnet,larroy/mxnet,yajiedesign/mxnet,szha/mxnet,navrasio/mxnet,piiswrong/mxnet,jennyzhang0215/incubator-mxnet,ForkedReposBak/mxnet,dmlc/mxnet,dmlc/mxnet,indhub/mxnet,madjam/mxnet,ptrendx/mxnet,Northrend/mxnet,eric-haibin-lin/mxnet,madjam/mxnet,yajiedesign/mxnet,vikingMei/mxnet,tlby/mxnet,jamesliu/mxnet,hpi-xnor/BMXNet,ForkedReposBak/mxnet,LinkHS/incubator-mxnet,piiswrong/mxnet,tornadomeet/mxnet,zhreshold/mxnet,CodingCat/mxnet,Northrend/mxnet,weleen/mxnet,indhub/mxnet,tlby/mxnet,eric-haibin-lin/mxnet,Northrend/mxnet,yajiedesign/mxnet,mbaijal/incubator-mxnet,fullfanta/mxnet,weleen/mxnet,tlby/mxnet,fullfanta/mxnet,hpi-xnor/BMXNet,luoyetx/mxnet,tlby/mxnet,madjam/mxnet,reminisce/mxnet,LinkHS/incubator-mxnet,precedenceguo/mxnet,rahul003/mxnet,ykim362/mxnet,yuruofeifei/mxnet,leezu/mxnet,dmlc/mxnet,jennyzhang0215/incubator-mxnet,ptrendx/mxnet,solin319/incubator-mxnet,solin319/incubator-mxnet,precedenceguo/mxnet,leezu/mxnet,jennyzhang0215/incubator-mxnet,reminisce/mxnet,ykim362/mxnet,rahul003/mxnet,yajiedesign/mxnet,hpi-xnor/BMXNet,ptrendx/mxnet,jennyzhang0215/incubator-mxnet,larroy/mxnet,weleen/mxnet,eric-haibin-lin/mxnet,yuruofeifei/mxnet,zhreshold/mxnet,jamesliu/mxnet,hpi-xnor/BMXNet,mbaijal/incubator-mxnet,sxjscience/mxnet,jamesliu/mxnet,tornadomeet/mxnet,CodingCat/mxnet,jiajiechen/mxnet,rahul003/mxnet,reminisce/mxnet,larroy/mxnet,DickJC123/mxnet,formath/mxnet,szha/mxnet,mbaijal/incubator-mxnet,yajiedesign/mxnet,luoyetx/mxnet,madjam/mxnet,reminisce/mxnet,piiswrong/mxnet,larroy/mxnet,sxjscience/mxnet,LinkHS/incubator-mxnet,jiajiechen/mxnet,luoyetx/mxnet,luoyetx/mxnet,fullfanta/mxnet,jiajiechen/mxnet,solin319/incubator-mxnet,tornadomeet/mxnet,indhub/mxnet,ykim362/mxnet,piiswrong/mxnet,szha/mxnet,dmlc/mxnet,zhreshold/mxnet