tree 1c1c2d2efb628954a74c3509e8958bedd0d054e9
parent de6386b8a66eade182ffb0eee8124c0814de960c
author Wu-cheng Li <wuchengli@google.com> 1283557232 -0700
committer Wu-cheng Li <wuchengli@google.com> 1284074615 -0700

Only enable CAMERA_MSG_PREVIEW_FRAME when necessary.

Now camera driver uses ANativeWindow for display.
CameraService should not request preview callback from
camera hardware if applications have not requested it.

bug:2951018
Change-Id: I85f74ea4a61104feca018867bc9d6dfe3a9479f5