tree efab1f6348597c65f37cbd29ca98906a9d86519f
parent e100b5fc27a7af6fe0e895b9c1a026602edaeda5
author Yin-Chia Yeh <yinchiayeh@google.com> 1400001557 -0700
committer Yin-Chia Yeh <yinchiayeh@google.com> 1400025939 -0700

Camera2: add testPreviewPersistence test

1. Add one test to test for preview is still running
   after still capture
2. Also fix a AE region typo
3. remove some misleading comments

Change-Id: I051ad8b8b8cf2965f8f704681fa6649d92b384d3