Class android.opengl.GLES20

Added Methods
String glGetActiveAttrib(int, int, int[], int, int[], int)  
String glGetActiveAttrib(int, int, IntBuffer, IntBuffer)  
String glGetActiveUniform(int, int, int[], int, int[], int)  
String glGetActiveUniform(int, int, IntBuffer, IntBuffer)  
String glGetShaderSource(int)