ime: Extend expiry of latin-based physical typing feature to M95.

Planning launch in M91 or M92.

Change-Id: Ic7ae3892a1e154e88c2d7ce783d765094a385a5f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2732270


Auto-Submit: Darren Shen <shend@chromium.org>
Reviewed-by: John Palmer <jopalmer@chromium.org>
Commit-Queue: John Palmer <jopalmer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#859599}