Change the landing URL for checking password breach

Bug: 986317
Change-Id: I51809ba947cff7f599727875632a3e34f133630e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1914379Reviewed-by: Ioana Pandele <ioanap@chromium.org>
Commit-Queue: Ioana Pandele <ioanap@chromium.org>
Auto-Submit: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714928}

components/password_manager/core/browser/leak_detection_dialog_utils.cc

@@ -22,16 +22,16 @@ using metrics_util::LeakDialogType;
 constexpr char kPasswordCheckupURL[] =
 #if defined(OS_ANDROID)
     "https://passwords.google.com/checkup/"
-    "start?utm_source=chrome&utm_medium=android&utm_campaign=leak_dialog&crch="
-    "true";
+    "start?utm_source=chrome&utm_medium=android&utm_campaign=leak_dialog&"
+    "hideExplanation=true";
 #elif defined(OS_IOS)
     "https://passwords.google.com/checkup/"
-    "start?utm_source=chrome&utm_medium=ios&utm_campaign=leak_dialog&crch="
-    "true";
+    "start?utm_source=chrome&utm_medium=ios&utm_campaign=leak_dialog&"
+    "hideExplanation=true";
 #else
     "https://passwords.google.com/checkup/"
-    "start?utm_source=chrome&utm_medium=desktop&utm_campaign=leak_dialog&crch="
-    "true";
+    "start?utm_source=chrome&utm_medium=desktop&utm_campaign=leak_dialog&"
+    "hideExplanation=true";
 #endif
 
 CredentialLeakType CreateLeakType(IsSaved is_saved,