Changed JSON formatting to fit BigQuery requirements

BUG=skia:
R=bensong@google.com, jcgregorio@google.com

Author: kelvinly@google.com

Review URL: https://codereview.chromium.org/290903002

git-svn-id: http://skia.googlecode.com/svn/trunk@14784 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed