title: Firebase error: Blocked all requests from this device due to unusual activity
body: <p>I am getting the error below when testing Firebase authentication</p>
  
  <pre><code>We have blocked all requests from this device due to unusual activity. Try again later.
  </code></pre>
  
  <p>How do I fix this without deleting any data?  There has to be a way to enable development/testing this stuff.</p>