Reland "V8 Buildbot: Switch win32 testers to recipes."
Reland "V8 Buildbot: Switch win32 testers to recipes."

This relands r260514 after fixing the "rmdir build" step for windows.

BUG=315202

Review URL: https://codereview.chromium.org/220643003

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@260792 0039d316-1c4b-4281-b951-d872f2087c98

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