libgui: Add native window attributes to query usage

This is required to enable GL libraries to query usage
native window attributes to enable/disable tile rendering.

Change-Id: If752fa26ac3d8ffd7776cc5a16fe162af0742df5
[2/2] Speed up booting on multicore devices.

Add multithreading support.

Change-Id: I13630de9d75d13c0368d261b3564b787067b65b1
Merge remote-tracking branch 'slim/kk4.4-caf' into ose