Rebaseline "lighting" GM tests
See diffs at http://c128.i.corp.google.com/skia/pixeldiffs/lighting/diffs/

TBR=bsalomon

Review URL: https://codereview.chromium.org/23441069

git-svn-id: http://skia.googlecode.com/svn/trunk@11271 2bbb7eff-a529-9590-31e7-b0007b416f81
12 files changed