title: No cached version of com.android.tools.build:aapt2:3.2.0-alpha18-4804415 available for offline mode
body: <p>Using android 3.2 canary 18 and getting this error:</p>
  
  <p>No cached version of com.android.tools.build:aapt2:3.2.0-alpha18-4804415 available for offline mode.
  and the jar file in <a href="https://dl.google.com/dl/android/maven2/com/android/tools/build/aapt2/3.2.0-alpha18-4804415/aapt2-3.2.0-alpha18-4804415.jar" rel="nofollow noreferrer">https://dl.google.com/dl/android/maven2/com/android/tools/build/aapt2/3.2.0-alpha18-4804415/aapt2-3.2.0-alpha18-4804415.jar</a> is deleted</p>
  
  <p>how to fix this?</p>