set submodules to be false in drmemory_factory.py
set submodules to be false in drmemory_factory.py

TBR=bruening@chromium.org
BUG=none
NOTRY=true

Review URL: https://codereview.chromium.org/771743002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@293164 0039d316-1c4b-4281-b951-d872f2087c98

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