Fix consent feature enum.

Bug: 863420
Change-Id: I01e883bda9207614a99b9e2d6c02813d3d56984c
Reviewed-on: https://chromium-review.googlesource.com/1146814Reviewed-by: Markus Heintz <markusheintz@chromium.org>
Commit-Queue: Mihai Sardarescu <msarda@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577495}

components/consent_auditor/consent_auditor.h

@@ -31,7 +31,7 @@ enum class Feature {
   GOOGLE_LOCATION_SERVICE = 3,
   CHROME_UNIFIED_CONSENT = 4,
 
-  FEATURE_LAST = GOOGLE_LOCATION_SERVICE
+  FEATURE_LAST = CHROME_UNIFIED_CONSENT
 };
 
 // Whether a consent is given or not given.