hide get/setLocalMatrix

BUG=skia:
R=fmalita@google.com, dominikg@chromium.org, fmalita@chromium.org

Author: reed@google.com

Review URL: https://codereview.chromium.org/279563002

git-svn-id: http://skia.googlecode.com/svn/trunk@14675 2bbb7eff-a529-9590-31e7-b0007b416f81
6 files changed