Do not require users to set TMPDIR for bootstrap on Windows.
Do not require users to set TMPDIR for bootstrap on Windows.

Fixes 1444.

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Change-Id: If9afa2bebcd35b0c0882685588d8e1f3b18f5344
Reviewed-on: https://bazel-review.googlesource.com/#/c/3890/
MOS_MIGRATED_REVID=125771832

bazelbuild/bazel-website,bazelbuild/bazel-website,bazelbuild/bazel-website,davidzchen/bazel-website,davidzchen/bazel-website,davidzchen/bazel-website,davidzchen/bazel-website