Added precision declaration in the shader, needed for android devices.
Added precision declaration in the shader, needed for android devices.

gh054/engine,GlenDC/StarEngine,hcxyzlm/engine,hcxyzlm/engine,GlenDC/StarEngine,GlenDC/StarEngine,StarEngine/engine,GlenDC/StarEngine,gh054/engine,GlenDC/StarEngine,StarEngine/engine