Add glViewport to tracked state.
Add glViewport to tracked state.

Ced2911/native,libretro/ppsspp-native,zhykzhykzhyk/ppsspp-native,unknownbrackets/native,libretro/ppsspp-native,unknownbrackets/native,Ced2911/native,zhykzhykzhyk/ppsspp-native,Ced2911/native,libretro/ppsspp-native,hrydgard/native,libretro/ppsspp-native,hrydgard/native,unknownbrackets/native,zhykzhykzhyk/ppsspp-native,hrydgard/native,zhykzhykzhyk/ppsspp-native,unknownbrackets/native,hrydgard/native