Add same WATCHLISTS as swarm_client/ to isolateserver/.
Add same WATCHLISTS as swarm_client/ to isolateserver/.

R=csharp@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/14436002

git-svn-id: 8fa0a038c61565a87d0885d584517a2e12819dac@195796 0039d316-1c4b-4281-b951-d872f2087c98

luci/luci-py,madecoste/swarming,madecoste/swarming,pombreda/swarming,luci/luci-py,luci/luci-py,madecoste/swarming,luci/luci-py,pombreda/swarming,pombreda/swarming,madecoste/swarming,pombreda/swarming