Merge "ExternalCameraHAL: Check for empty native handle instead of null." into main am: 7e4037cf01

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2787022

Change-Id: Icdf62933b7b2e3fd283679a23f85841c53700a4f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>