Minor changes to ES3 functions inherited from ES2

With the addition of float framebuffer support in ES3, some parameters
to ES2 functions are now GLfloat instead of GLclampf. Both are
typedefs for 'float', so this is a source and binary compatible change.

Bug: 8566953
Change-Id: I0b5acc78da7799a04053fdb568205f793792cad9
1 file changed