public void setEglDepthBits(int eglDepthBits) {
        this.eglDepthBits = eglDepthBits;
    }
Sets the EGL depth in bits.
The depth buffer or Z-buffer is basically coupled with stencil buffer,
usually 8bits stencilBuffer + 24bits depthBuffer = 32bits shared memory.

@param eglDepthBits the depth bits.
@see JmeSurfaceView#setEglStencilBits(int)
jme3-android/src/main/java/com/jme3/view/surfaceview/JmeSurfaceView.java