presto: camera: delete unused files.

Change-Id: I5a0eb2181a59247685009a8e47bf06087d7b9748
presto: camera: remove camera parameters changes.

Needed to adapt your changes to the new style: https://github.com/CyanogenMod/android_frameworks_av/commit/7e69909dd1da9c3602d9e231c85d0efd154951f1

Change-Id: If2baeee5bce7f6ebe64677d180d414464ebe41e0
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