Check for OPTIONAL Master.default_clobber attribute and apply to all builds
Check for OPTIONAL Master.default_clobber attribute and apply to all builds

Default behavior (clobber=False) does not change.
Review URL: http://codereview.chromium.org/7670027

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@97135 0039d316-1c4b-4281-b951-d872f2087c98

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