Workaround for the missing GL_ALPHA_TEST implementation in Mesa (etnaviv driver).
Makes the liquid waving shader per-nodedef like waving leaves/plants, instead of being applied to all liquids. Like the waving leaves/plants shaders, the liquid waving shader can also be applied to meshes and nodeboxes. Derived from a PR by t0ny2.
Update Android.mk Remove 'src/client' from include_directories
