Revert of Run webgl_conformance with the Android WebView shell

Revert of Run webgl_conformance with the Android WebView shell (patchset #1 id:1 of https://codereview.chromium.org/1126793005/)

Reason for revert:
Doesn't work on the bot. Works locally. No idea.

Original issue's description:
> Run webgl_conformance with the Android WebView shell
>
> This adds a build step to run conformance with the
> webview shell, which exercises very different codepaths
>
> NOTRY=True (There are no trybots for this)
>
> BUG=420707
> R=kbr@chromium.org, navabi@chromium.org, navabi@google.com
>
> Committed: https://chromium.googlesource.com/chromium/src/+/f3abeea37887a3e4fa22060c3683304bcc93c06b

TBR=kbr@chromium.org,boliu@chromium.org,navabi@chromium.org,navabi@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=420707
Committed: https://crrev.com/998503c5965b0d8d80674eac6250ced0af98c563
Cr-Commit-Position: refs/heads/master@{#328409}

[no sievers, 2015-05-05 21:40:01]

Created Revert of Run webgl_conformance with the Android WebView shell

[commit-bot: I haz the power, 2015-05-05 21:40:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1119283005/1

[commit-bot: I haz the power, 2015-05-05 21:45:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-05 21:46:58]

Patchset 1 (id:??) landed as
https://crrev.com/998503c5965b0d8d80674eac6250ced0af98c563
Cr-Commit-Position: refs/heads/master@{#328409}

[no sievers, 2015-05-05 23:02:19]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1121893003/ by sievers@chromium.org.

The reason for reverting is: Bot was upgraded to K. Let's give it another try.

Revert the Revert!.