This avoids different emojis from the editText compared to other
messages and the system keyboard.
When using the inbuilt emoji picker, we get slightly different emojis
to the rest of the system and messages either way, so we might as well
start in the editText, to keep at least that one equal to the rest.
Change-Id: If4cf1dec0513ed725a3bb098cc05a5cd267860b0
c61a909c71