[EasyUnlock] Force a device sync after turning off the feature.

chrome/browser/signin/easy_unlock_service_regular.cc

Index: chrome/browser/signin/easy_unlock_service_regular.cc
diff --git a/chrome/browser/signin/easy_unlock_service_regular.cc b/chrome/browser/signin/easy_unlock_service_regular.cc
index 496a8b9c9fa51917f8e9185ee65312b8aab6ca65..93c3620dc5ea5eac5aadde6557a93fbe202a199f 100644
--- a/chrome/browser/signin/easy_unlock_service_regular.cc
+++ b/chrome/browser/signin/easy_unlock_service_regular.cc
@@ -588,6 +588,9 @@ void EasyUnlockServiceRegular::OnToggleEasyUnlockApiComplete(
     const cryptauth::ToggleEasyUnlockResponse& response) {
   cryptauth_client_.reset();
 
+  GetCryptAuthDeviceManager()->ForceSyncNow(
+      cryptauth::InvocationReason::INVOCATION_REASON_FEATURE_TOGGLED);
+  EasyUnlockService::ResetLocalStateForUser(GetAccountId());
   SetRemoteDevices(base::ListValue());
   SetTurnOffFlowStatus(IDLE);
   ReloadAppAndLockScreen();