GitLab

pgomgr.exe has been moved to a different location in VS2017 so the logic
that find it should be updated.

It can't just be copied to the build directory because we always run the
x64 bit version of this binary (and we don't want to mix x86 and x64
binaries in the same build dir)

BUG=719319

Review-Url: https://codereview.chromium.org/2884613003
Cr-Commit-Position: refs/heads/master@{#473438}