Enable SafeBrowsingPasswordProtectionOnFocusPingAndroid for experiment

Launch bug: crbug.com/1000331

Bug: 995926
Change-Id: If68dd89ce3bbcddaa0ce2c6553eedf9f6d263216
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1894297
Commit-Queue: Xinghui Lu <xinghuilu@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#711605}

testing/variations/fieldtrial_testing_config.json

@@ -5291,6 +5291,21 @@
             ]
         }
     ],
+    "SafeBrowsingPasswordProtectionOnFocusPingAndroid": [
+        {
+            "platforms": [
+                "android"
+            ],
+            "experiments": [
+                {
+                    "name": "Enabled",
+                    "enable_features": [
+                        "SafeBrowsingSendOnFocusPing"
+                    ]
+                }
+            ]
+        }
+    ],
     "SafeBrowsingRealTimeUrlLookupFetchAllowlist": [
         {
             "platforms": [