message: Update the Bazel version for Windows.
diff: @@ -73,7 +73,7 @@ SET PATH=%CUDNN_INSTALL_PATH%\bin;%PATH%
  @REM Setup Bazel
  @REM
  :: Download Bazel from github and make sure its found in PATH.
  -SET BAZEL_VERSION=2.0.0
  +SET BAZEL_VERSION=3.1.0
  md C:\tools\bazel\
  wget -q https://github.com/bazelbuild/bazel/releases/download/%BAZEL_VERSION%/bazel-%BAZEL_VERSION%-windows-x86_64.exe -O C:/tools/bazel/bazel.exe
  SET PATH=C:\tools\bazel;%PATH%
  