GB:enabling hw media recorder

- enabling hw media recorder.
- bug 786503

Change-Id: I6f67e7e46ff41f17dc0296bd0938b52c522d6958

Ignore transient errors from hw mediarecorder

Change-Id: I1f2c61f0ce156fd925d6a573345f6662f01ce88e

camera_client: Add older connect() symbol

LG's binary hwmediarecorder uses the old (pre multi-cam) version
without the cameraId argument, so wrap the new version to make
the symbol available

Change-Id: Ic7362e3f0fc66954dfb6e3545c8c2d63ea939fcd