presto: camera: add parameter override.

Addap our changes to new style: https://github.com/CyanogenMod/android_frameworks_av/commit/7e69909dd1da9c3602d9e231c85d0efd154951f1

If the change works good, we must delete the repo frameworks_av.

Change-Id: Ie12dcc7e225878e81859c99c47857d33086d8ed6