hardware: samsung_slsi: libcamera2: support pre-capture metering

This patch is to support pre-capture metering.
In case of standard capture, camera service uses pre-capture
tigger and notification for AE and AWB measurement before capture

Change-Id: Iec9067ea1f2ed6496062a20e339e6a417a48ec3c
Signed-off-by: Younghwan Joo <yhwan.joo@samsung.com>
2 files changed