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There is wayland protocol error when unplugging the external display, because
wl_output version is not correct.

Bug:  961863
Test: Manual test by unplugging the external display. Wayland service does not
      reconnect due to protocol error.

Change-Id: I9c2ec8c942f4d53a3e750a56f5a55458763561bf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1699507
Auto-Submit: Cici Ruan <cuicuiruan@google.com>
Commit-Queue: Cici Ruan <cuicuiruan@google.com>
Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Reviewed-by: Dominik Laskowski <domlaskowski@chromium.org>
Cr-Commit-Position: refs/heads/master@{#678046}