Enable gn check for //chrome/elevation_service/*.

The empty line is due to git cl format.

Change-Id: Ifd3d8f1d8f7b3290e8c839affe3d181732d3d4b8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2082022
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#746228}

.gn

@@ -221,7 +221,8 @@ check_targets = [
 
   "//chrome/common/*",
 
-  #"//chrome/elevation_service/*",  # 1 error on Windows
+  "//chrome/elevation_service/*",
+
   #"//chrome/gpu/*",  # 7 errors
   "//chrome/installer/*",