Decode utf-8 with built in browser functions, that support astral plane characters.
Decode utf-8 with built in browser functions, that support astral plane characters.

Update issue 1526
Cc: jussi.ao.malinen

ldtri0209/robotframework,fiuba08/robotframework,waldenner/robotframework,ldtri0209/robotframework,fiuba08/robotframework,waldenner/robotframework,fiuba08/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,waldenner/robotframework,fiuba08/robotframework,waldenner/robotframework,fiuba08/robotframework,waldenner/robotframework