Revert "remove kA1_Config, as it is no longer supported"

This reverts commit 2d72d8b242eac6e9d30228f5b0a407236491c369.

git-svn-id: http://skia.googlecode.com/svn/trunk@12387 2bbb7eff-a529-9590-31e7-b0007b416f81
20 files changed