[Signin][Android] Fix sign-out check in AccountManagementFragment

Revise primary account check in AccountManagementFragment's sign-out
flow. Since sign-out doesn't depend on sync consent - primary account
should be queried using ConsentLevel.NOT_REQUIRED.

Bug: 1130526
Change-Id: I411dc2d9312793ed0e80e7b63dce584a5cc026b0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2421897Reviewed-by: Tanmoy Mollik <triploblastic@chromium.org>
Commit-Queue: Boris Sazonov <bsazonov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#809288}

chrome/android/java/src/org/chromium/chrome/browser/sync/settings/AccountManagementFragment.java

@@ -360,9 +360,10 @@ public class AccountManagementFragment extends PreferenceFragmentCompat
     public void onSignOutClicked(boolean forceWipeUserData) {
         // In case the user reached this fragment without being signed in, we guard the sign out so
         // we do not hit a native crash.
-        if (!IdentityServicesProvider.get()
+        if (IdentityServicesProvider.get()
                         .getIdentityManager(Profile.getLastUsedRegularProfile())
-                        .hasPrimaryAccount()) {
+                        .getPrimaryAccountInfo(ConsentLevel.NOT_REQUIRED)
+                == null) {
             return;
         }
         final DialogFragment clearDataProgressDialog = new ClearDataProgressDialog();