message: Update Linux documentation links
  Cr-Commit-Position: refs/heads/master@{#30206}
diff: @@ -54,7 +54,7 @@ need to install the NDK/SDK separately.
  [depot-tools]: https://commondatastorage.googleapis.com/chrome-infra-docs/flat/depot_tools/docs/html/depot_tools_tutorial.html#_setting_up
  [git]: http://git-scm.com
  [install-build-deps]: https://cs.chromium.org/chromium/src/build/install-build-deps.sh
  -[chromium-linux-build-instructions]: https://chromium.googlesource.com/chromium/src/+/master/docs/linux_build_instructions.md
  +[chromium-linux-build-instructions]: https://chromium.googlesource.com/chromium/src/+/master/docs/linux/build_instructions.md
  [chromium-win-build-instructions]: https://chromium.googlesource.com/chromium/src/+/master/docs/windows_build_instructions.md
  -[chromium-linux-prerequisites]: https://chromium.googlesource.com/chromium/src/+/master/docs/linux_build_instructions.md#notes
  +[chromium-linux-prerequisites]: https://chromium.googlesource.com/chromium/src/+/master/docs/linux/build_instructions.md#notes
  [chromium-android-build-build-instructions]: https://chromium.googlesource.com/chromium/src/+/master/docs/android_build_instructions.md
  