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
Merge pull request #8 from CyanogenMod/cm-11.0

libgui: Add native window attributes to query usage
Merge pull request #2 from cr3pt/cm-11.0

merge from Cr3pT