[NaCl SDK] Pin old versions of the SDK (< 30).

We can't add pepper_33 yet because there isn't a good build yet.

BUG=none
R=sbc@chromium.org

Review URL: https://codereview.chromium.org/98113004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241780 0039d316-1c4b-4281-b951-d872f2087c98
Fixing problem with M33->M32->M33 transitions & pinned app preferences

I kept this CL as simple as possible to allow a backport to M33 and maybe even M32 if desired.

BUG=329597
TEST=unittest

Review URL: https://codereview.chromium.org/98283004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241781 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241781
Updated AutocompleteResultTests.

Follow up CL for crrev.com/69703002

BUG=269186
TEST=none

Review URL: https://codereview.chromium.org/101043011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241782 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241782