Merge "ExternalCameraHAL: Fix memory leak when copying buffer fence" into main am: 634ecd5da0 am: aba897e523

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2817883

Change-Id: Ia6ab67a07e5c996f7174d14b3add39064615399d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>