[Passwords] Add PasswordChangeSupportInSettings to

fieldtrial_testing_config

Bug: 1108692
Change-Id: I36000025bdfe905232f9b6af55997692833f98c5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2403366
Commit-Queue: Jesse Doherty <jwd@chromium.org>
Auto-Submit: Maxim Kolosovskiy  <kolos@chromium.org>
Reviewed-by: Jesse Doherty <jwd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#805878}

testing/variations/fieldtrial_testing_config.json

@@ -4846,6 +4846,21 @@
             ]
         }
     ],
+    "PasswordChangeInSettings": [
+        {
+            "platforms": [
+                "android"
+            ],
+            "experiments": [
+                {
+                    "name": "Enabled",
+                    "enable_features": [
+                        "PasswordChangeInSettings"
+                    ]
+                }
+            ]
+        }
+    ],
     "PasswordCompromisedBubble": [
         {
             "platforms": [