Lower linux32 expectations by 4 after r234901.

BUG=317171,94925
TBR=viettrungluu@chromium.org

Review URL: https://codereview.chromium.org/64533006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234933 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234933