Correctly style errors when overriding locale fails

R=bmeurer@chromium.org

Bug: 1513624
Change-Id: I95cc9cfdad31684d13307a8c4578c2f9b3cb35f5
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/5144367
Auto-Submit: Yang Guo <yangguo@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>

front_end/panels/sensors/sensors.css

diff --git a/front_end/panels/sensors/sensors.css b/front_end/panels/sensors/sensors.css
index a9a5c23..f65d30b 100644
--- a/front_end/panels/sensors/sensors.css
+++ b/front_end/panels/sensors/sensors.css
@@ -67,10 +67,12 @@
   width: 70px;
 }
 
-.timezone-error {
+.timezone-error,
+.locale-error {
   margin-left: 10px;
   color: var(--legacy-input-validation-error);
 }
+
 /* Device Orientation */
 
 .orientation-content {