Enable EventBasedStatusReporting feature flag by default.

Bug: 919132
Change-Id: I4db14c49af64028e4c72b493a7988f46d2369c16
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1509312Reviewed-by: Aga Wronska <agawronska@chromium.org>
Commit-Queue: Leonardo Padilha <ldaguilar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#638739}

chrome/common/chrome_features.cc

@@ -248,7 +248,7 @@ const base::Feature kEnableIncognitoWindowCounter{
 #if defined(OS_CHROMEOS)
 // Enables event-based status reporting for child accounts in Chrome OS.
 const base::Feature kEventBasedStatusReporting{
-    "EventBasedStatusReporting", base::FEATURE_DISABLED_BY_DEFAULT};
+    "EventBasedStatusReporting", base::FEATURE_ENABLED_BY_DEFAULT};
 #endif
 
 // An experimental way of showing app banners, which has modal banners and gives