Update makefiles for new build methods

Move prebuilt files to recovery/root so they are automatically copied by
recovery_root_private (no need for PRODUCT_COPY_FILES or prebuilt
modules).

Add chargeled under TARGET_RECOVERY_DEVICE_MODULES so that it becomes a
dependency of recovery.
s4-common: Disable denoise setting for camera

Enabling denoise causes camera to crash. Report that only "off" is
supported so that Camera2 removes the setting.

Change-Id: I6caab1d78cf24cc3b1b2faaa8a9d1b3d4c6e7715