title: New Flutter Project wizard not showing on Android Studio 3.0.1
body: <p>I installed Flutter following official document and also installed Flutter and Dart plugin on Android Studio.</p>
  
  <p>But, I can't see File>New Flutter Project wizard on Android Studio 3.0.1</p>
  
  <p>I run "flutter doctor" command. See the below output. </p>
  
  <pre><code>Doctor summary (to see all details, run flutter doctor -v):
  [✓] Flutter (Channel beta, v0.1.5, on Mac OS X 10.13.3 17D102, locale en-TR)
  [✓] Android toolchain - develop for Android devices (Android SDK 27.0.3)
  [✓] iOS toolchain - develop for iOS devices (Xcode 9.2)
  [✓] Android Studio (version 3.0)
  [✓] IntelliJ IDEA Community Edition (version 2017.3.3)
  [!] Connected devices
      ! No devices available
  
  ! Doctor found issues in 1 category.
  </code></pre>