Enable bot_update on Win/x64 bots on chormium.lkgr
Enable bot_update on Win/x64 bots on chormium.lkgr

BUG=261741
TBR=agable

Review URL: https://codereview.chromium.org/397103005

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@283581 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build