Revert "libchromeos-ui: drop LC_ALL env var setting"

This reverts commit 1e9c3dac5c903b32026f247e9af1b7fb8d66a069.

For now revert only on R55. For master discussion on crbug.com/649787.

BUG=chromium:117330
BUG=chromium:652326
BUG=chromium:649787

Change-Id: I38f752247add52de3d7c02d2ab2a7adf8ee850c3
Reviewed-on: https://chromium-review.googlesource.com/403834
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Bernie Thompson <bhthompson@chromium.org>
Tested-by: Bernie Thompson <bhthompson@chromium.org>
2 files changed