The Bug:
Armadillos don't play a roll out sound after finishing hiding.
Steps to Reproduce:
Summon an armadillos and sprint beside it so that it rolls up.
Wait for it to roll out and listen closely.
Observed Behavior:
Armadillos don't play a roll out sound after finishing hiding.
Expected Behavior:
Armadillos would play a roll out sound after finishing hiding.
Can confirm. Also, the sound for this does exist in game and can be accessed with this command:
Also, relates to MCPE-177562