Give up on verifying stdout for most git gclient scm tests.
Give up on verifying stdout for most git gclient scm tests.

The output is dependent on git's version. This is blocking the CQ.

TBR=petermayo@chromium.org
BUG=
TEST=


Review URL: https://chromiumcodereview.appspot.com/10559075

git-svn-id: bd64dd6fa6f3f0ed0c0666d1018379882b742947@143172 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

svn2github/chromium-depot-tools,svn2github/chromium-depot-tools,svn2github/chromium-depot-tools