Disable BrowsingDataRemoverTest.ContentProtectionPlatformKeysRemoval

TBR=dkrahn

BUG=317952

Review URL: https://codereview.chromium.org/68113006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234362 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234362