Remove the --allow-no-sandbox-job flag in favor of automatic recognition.

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 6c89c0a9380ff3b2fc00705b4a0a6b48ca42e2df..d776565f1071d883d236ed0f1f9754d26a40c284 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -52679,6 +52679,18 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Process.Sandbox.FlagOverrodeRemoteSessionCheck" enum="Boolean">
+  <owner>pastarmovj@chromium.org</owner>
+  <summary>
+    Measure how often the automatic recognition for terminal services
+    environment would have incorrectly decided that the job object should be
+    applied, when it shouldn't have been as dictated by the flag
+    --allow-no-sanbox-job. This histogram will guide the final removal of the
+    flag, which will be possible when the number of false values becomes
+    insignificant.
+  </summary>
+</histogram>
+
 <histogram name="Process.Sandbox.Launch.Error" enum="WinGetLastError">
   <owner>shrikant@chromium.org</owner>
   <summary>