Revert of On Linux rework driver_version/vendor extraction from gl version (patchset #9 id:160001 of https://codereview.chromium.org/2153373002/ )

Reason for revert:
Still breaks tests on Linux Intel:
https://build.chromium.org/p/chromium.gpu.fyi/builders/Linux%20Release%20%28New%20Intel%29/builds/2661

Original issue's description:
> On Linux rework driver_version/vendor extraction from gl version
>
> Previously it could not extract them from the gl version
> "3.3 (Core Profile) Mesa 10.5.9" because of the presence
> of '(Core Profile)'.
>
> BUG=628929
>
> R=kbr@chromium.org, piman@chromium.org, zmo@chromium.org
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
>
> TEST=gpu_unittests --gtest_filter=*CollectDriverInfoGL*
>
> Committed: https://crrev.com/e5fdc90d17a40a9166a335a0d7c8fd8b2ccf40cd
> Cr-Commit-Position: refs/heads/master@{#407804}

TBR=piman@chromium.org,zmo@chromium.org,patyag0814@gmail.com,cwallez@chromium.org,j.isorce@samsung.com
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=628929

Review-Url: https://codereview.chromium.org/2182993004
Cr-Commit-Position: refs/heads/master@{#408198}
2 files changed