camera: Fix for recording.

In back to back recording for an error case, the state is not
handled properly and the system hangs. So for graceful exit,
in error case ensure that the state is set properly.

Change-Id: Ibd7334909cbd33db266dc6908b332187ed74d310
Signed-off-by: Azam Sadiq Pasha Kapatrala Syed <akapatra@codeaurora.org>