disabled:
  if os == "android": https://bugzilla.mozilla.org/show_bug.cgi?id=1621476
prefs: [dom.security.credentialmanagement.identity.enabled:true, dom.security.credentialmanagement.identity.lightweight.enabled:true, dom.security.credentialmanagement.chooser.testing.enabled:true]
leak-threshold: [default:51200]
