Update owner for MobilePasswordsSettingsBack user action

Replace eugenebut who is leaving the team with kazinova

Change-Id: I26cc79efbd932c73866ffbd509381c6472a571a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2639146Reviewed-by: Weilun Shi <sweilun@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Reviewed-by: Maria Kazinova <kazinova@google.com>
Commit-Queue: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845686}

tools/metrics/actions/actions.xml

@@ -14675,7 +14675,7 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="MobilePasswordsSettingsBack">
-  <owner>eugenebut@chromium.org</owner>
+  <owner>kazinova@google.com</owner>
   <owner>sczs@chromium.org</owner>
   <description>
     Reported when user goes back from Passwords Settings UI to root Settings