Camera: Fix FD leak am: 0765e02674

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

Change-Id: I3bce5a73c94891deccb61a43d08e02da4e3d1bed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>