Updating trunk VERSION from 1828.0 to 1829.0

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249695 0039d316-1c4b-4281-b951-d872f2087c98
Disabling flaky PDFBrowserTest.Basic on MacOSX official builder. For more details see http://crbug.com/79837

BUG=79837

Review URL: https://codereview.chromium.org/131583007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249696 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249696