Blender Git Loki

Cycles: Initial Support For Local View

This diff will add support for local view to Cycles rendered preview mode.

Currently the implementation shows same results as EEVEE does. This entails
a difference with Blender 2.79, where lights were automatically added to the
local view. {T69780} describes this should be solved before the next release.

This patch also solves missing `owner_id` issues when using the RNA CPP Api
from Cycles. Cycles didn't provide the `owner_id` making some functionality
fail, what then was worked around in Blender. It also fixes an issue in
`makesrna` where incorrect CPP code was generated when only `PARM_RNAPTR`
was provided.

An optional `view_layer` parameter is added to the `Object.local_view_get`
method to reduce lookups.

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D5753