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- Makes Chrome/ium point to the latest sh-4-0 and sr-4-0 Hunspell
  dictionaries
- Fixes associated spell check component unit tests:
  - In SH, "Google" has been changed to "Gugl"
  - In SR, "Гоогле" ("Google") has been changed to "Гугл" ("Gugl")
  - In both test cases, the wording has also been updated based on Google Translate translations
- Lorry payloads have been created here:
  https://lorry.corp.google.com/?live_filter=&text_filter=%28sh-4-0%29%7C%28sr-4-0%29&access_filter=&entries=20&output_format=standard&descending=true

Bug: 997228
Change-Id: I0227666eda96efba37c8d5287d2d12a6e9cd65bd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1906782Reviewed-by: Rouslan Solomakhin <rouslan@chromium.org>
Commit-Queue: Guillaume Jenkins <gujen@google.com>
Cr-Commit-Position: refs/heads/master@{#714245}