Fix path for private data dir used in sync pyauto tests
Fix path for private data dir used in sync pyauto tests

I was asked to rename "private" to "pyauto_private"

Review URL: http://codereview.chromium.org/4815002

git-svn-id: http://src.chromium.org/svn/trunk/src@65908 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 88d0b0ed43763caec3020f540290d29e0bb55ea7
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser