Add debug information to diagnose why xvfb does not get killed correctly
Add debug information to diagnose why xvfb does not get killed correctly

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@63510 0039d316-1c4b-4281-b951-d872f2087c98

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