Add --display option to git cl description
Add --display option to git cl description

A flag for showing the description instead of opening the editor to modify it.

BUG=493885

Review URL: https://codereview.chromium.org/1237483003

git-svn-id: fd409f4bdeea2bb50a5d34bb4d4bfc2046a5a3dd@296000 0039d316-1c4b-4281-b951-d872f2087c98

CoherentLabs/depot_tools,chinmaygarde/depot_tools,duanwujie/depot_tools,CoherentLabs/depot_tools,primiano/depot_tools,ajohnson23/depot_tools,cpanelli/-git-clone-https-chromium.googlesource.com-chromium-tools-depot_tools,hsharsha/depot_tools,ajohnson23/depot_tools,azureplus/chromium_depot_tools,duongbaoduy/gtools,aleonliao/depot_tools,azunite/chrome_build,azunite/chrome_build,chinmaygarde/depot_tools,fracting/depot_tools,disigma/depot_tools,duongbaoduy/gtools,disigma/depot_tools,kaiix/depot_tools,mlufei/depot_tools,duanwujie/depot_tools,chinmaygarde/depot_tools,duanwujie/depot_tools,primiano/depot_tools,primiano/depot_tools,aleonliao/depot_tools,hsharsha/depot_tools,aleonliao/depot_tools,cpanelli/-git-clone-https-chromium.googlesource.com-chromium-tools-depot_tools,Midrya/chromium,ajohnson23/depot_tools,azureplus/chromium_depot_tools,Midrya/chromium,azureplus/chromium_depot_tools,cpanelli/-git-clone-https-chromium.googlesource.com-chromium-tools-depot_tools,kaiix/depot_tools,azunite/chrome_build,mlufei/depot_tools,Midrya/chromium,kaiix/depot_tools,disigma/depot_tools,fracting/depot_tools,hsharsha/depot_tools,duongbaoduy/gtools,mlufei/depot_tools,fracting/depot_tools