message: build: fix postinstall for windows
  PR Close
diff: "prebuildifier": "bazel build --noshow_progress @com_github_bazelbuild_buildtools//buildifier",
  "buildifier": "find . -type f \\( -name BUILD -or -name BUILD.bazel \\) ! -path \"*/node_modules/*\" | xargs $(bazel info bazel-bin)/external/com_github_bazelbuild_buildtools/buildifier/buildifier",
  "preinstall": "node tools/yarn/check-yarn.js",
  - "postinstall": "yarn update-webdriver; node ./tools/postinstall-patches.js",
  + "postinstall": "yarn update-webdriver && node ./tools/postinstall-patches.js",
  "update-webdriver": "webdriver-manager update --gecko false $CHROMEDRIVER_VERSION_ARG",
  "check-env": "gulp check-env"
  },
  