Update kill_processes.py
Update kill_processes.py

Modify kill_processes.py to allow setting where handle.exe can be found. This will allow running this script on machines that don't have full buildbot checkouts (like the new swarm bots).

R=maruel@chromium.org
BUG=
TEST=


Review URL: https://chromiumcodereview.appspot.com/10640010

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@143580 0039d316-1c4b-4281-b951-d872f2087c98

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