Camera: Fix FD leak am: 0765e02674

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/24040326

Change-Id: I82723af08de29ef3f805c60f825d6bd4bbd161c1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>