Revert of Roll ASan/Win to LLVM r237003 (patchset #1 id:1 of https://codereview.chromium.org/
1140623002/)
Reason for revert:
Caused build hangs.
BUG=487929
Original issue's description:
> Roll ASan/Win to LLVM r237003
>
> Brings in coverage support for Windows.
>
> Green build with this revision:
> http://build.chromium.org/p/chromium.fyi/builders/CrWinAsan%20tester/builds/217/steps/gclient%20runhooks/logs/stdio
>
> TBR=inferno@chromium.org
> NOTRY=true
>
> Committed: https://crrev.com/
9f05e50063c1c643ecbe7851dc388b6346414c08
> Cr-Commit-Position: refs/heads/master@{#329280}
TBR=rnk@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Review URL: https://codereview.chromium.org/
1134413003
Cr-Commit-Position: refs/heads/master@{#329886}