Set the camera to null when preview surface is destroyed

When the video call is disconnected, the camera would still
be opened without this fix.

Signed-off-by: Matthieu Baglin <matthieu.baglin@intel.com>
Change-Id: Ie69fb87412c53e4c6072d998d3e3b067c4c8ba0f
1 file changed
tree: a6bb42fb753125ea16c0a744094fb84624f59ec6
  1. InCallUI/