tree 272f8749351c143f79d995bd1311c60eddb980d6
parent 5de4999e6dd8a3f2740d20e30e8a3fccdcb76362
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