Camera3: Protect against deleting un-initialized channel obj
Camera3: Protect against deleting un-initialized channel obj

Bug: 9886166
Change-Id: Ibe2f6a93180ad7e02842d3d80fd95ca35551c9c3
Signed-off-by: Iliyan Malchev <b9962a40c76f189681da2829a74a26cab77021ea@google.com>

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