Camera2: Fix build, really.
Camera2: Fix build, really.

- Add NULLS to the _other_ camera module fields

Change-Id: I3c127c2f9ab9d04e97566fdea45f18a798124e75

maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead