am cddd9de7: am 88510488: Update native_activity sample code to use ANativeWindow.

Merge commit 'cddd9de737d5670b4898b9b7bc12c7e7bb7f63ee'

* commit 'cddd9de737d5670b4898b9b7bc12c7e7bb7f63ee':
  Update native_activity sample code to use ANativeWindow.