Small client.skia master.cfg refactor
Small client.skia master.cfg refactor

Mainly just wrap everything into a SetupMaster function. This is in preparation for sharing this master setup between multiple masters.

BUG=skia:761

Review URL: https://codereview.chromium.org/455823003

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@288742 0039d316-1c4b-4281-b951-d872f2087c98

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