Conditionally revert "CameraService: Allow HAL to handle video buffer duped FD's."

 * Outdated camera HALs aren't closing native handles internally,
   causing video recording to freeze after ~30s. In such cases,
   add the following line to device's BoardConfig:
      TARGET_CAMERASERVICE_CLOSES_NATIVE_HANDLES := true
 * This conditionally reverts commit 22b53929.

Change-Id: I69acff21326eafb908c770598de3f3464f746b8c