Updated `mesos-tidy` image to upstream 3.9 release.
Updated `mesos-tidy` image to upstream 3.9 release.

Review: https://reviews.apache.org/r/53582/

dforsyth/mesos,verizonlabs/mesos,dforsyth/mesos,abudnik/mesos,reneploetz/mesos,chhsia0/mesos,andschwa/mesos,verizonlabs/mesos,gsantovena/mesos,dforsyth/mesos,dforsyth/mesos,reneploetz/mesos,gsantovena/mesos,gsantovena/mesos,andschwa/mesos,yuquanshan/customizedMesos,craimbert/mesos,abudnik/mesos,Gilbert88/mesos,jpeach/mesos,gsantovena/mesos,yuquanshan/customizedMesos,abudnik/mesos,chhsia0/mesos,Aman-Jain-14/customizedMesos,abudnik/mesos,kaysoky/mesos,kaysoky/mesos,Gilbert88/mesos,asamerh4/mesos,dforsyth/mesos,reneploetz/mesos,reneploetz/mesos,andschwa/mesos,neilconway/mesos,asamerh4/mesos,gsantovena/mesos,neilconway/mesos,yuquanshan/customizedMesos,dforsyth/mesos,abudnik/mesos,zmalik/mesos,asamerh4/mesos,zmalik/mesos,reneploetz/mesos,verizonlabs/mesos,jpeach/mesos,gsantovena/mesos,zmalik/mesos,asamerh4/mesos,Gilbert88/mesos,zmalik/mesos,neilconway/mesos,kaysoky/mesos,craimbert/mesos,Aman-Jain-14/customizedMesos,jpeach/mesos,chhsia0/mesos,craimbert/mesos,jpeach/mesos,asamerh4/mesos,craimbert/mesos,kaysoky/mesos,jpeach/mesos,Aman-Jain-14/customizedMesos,jpeach/mesos,chhsia0/mesos,abudnik/mesos,chhsia0/mesos,jpeach/mesos,andschwa/mesos,gsantovena/mesos,kaysoky/mesos,craimbert/mesos,verizonlabs/mesos,kaysoky/mesos,yuquanshan/customizedMesos,reneploetz/mesos,andschwa/mesos,andschwa/mesos,Aman-Jain-14/customizedMesos,Aman-Jain-14/customizedMesos,verizonlabs/mesos,yuquanshan/customizedMesos,craimbert/mesos,zmalik/mesos,chhsia0/mesos,chhsia0/mesos,abudnik/mesos,zmalik/mesos,Aman-Jain-14/customizedMesos,andschwa/mesos,kaysoky/mesos,neilconway/mesos,neilconway/mesos,reneploetz/mesos,yuquanshan/customizedMesos,verizonlabs/mesos,zmalik/mesos,yuquanshan/customizedMesos,Gilbert88/mesos,neilconway/mesos,neilconway/mesos,Gilbert88/mesos,verizonlabs/mesos,Gilbert88/mesos,dforsyth/mesos,Aman-Jain-14/customizedMesos,asamerh4/mesos,Gilbert88/mesos,asamerh4/mesos,craimbert/mesos