am b408f549: am d790c648: Add lost preview surface detection in the JNI layer Throws an IOException if this happens rather than crashes

Merge commit 'b408f5490b8591a2799d6b1db91e29e4b203d2bf'

* commit 'b408f5490b8591a2799d6b1db91e29e4b203d2bf':
  Add lost preview surface detection in the JNI layer