camera: fix `-Wunused-parameter` compiler warnings

Test: add `USE_CAMERA_V4L2_HAL := true` to
      hardware/libhardware/modules/camera/3_4/Android.mk and build
      mmm hardware/libhardware/modules/camera/3_4
Change-Id: I1bfd688902c78fe69bfbee3bacc73c25a5ef6c5c
Signed-off-by: Sergii Piatakov <sergii.piatakov@globallogic.com>
4 files changed