I've got a raster of elevation data in Arc GIS Pro with a nice elevation color ramp applied. Running the Create Mobile Map Package tool does successfully create the .mmpk, and I can open the .mmpk in Explorer (desktop). But the elevation raster now has the default symbology (dark grey to very slightly less dark grey). Is raster symbology simply not supported, or am I missing something? Using ArcGIS Pro 2.4.2, the raster is filetype File Geodatabase Raster, 1 band unsignged char 8 bit.