[B2G][Email] POP3 account creation hangs when an incorrect password is used with a POP3 server that immediately disconnects on incorrect password (ex: aol.com POP3 server). r=asuth
Merge pull request #15583 from mcav/pop3-conn-drop

[B2G][Email] POP3 account creation hangs when an incorrect password is used with a POP3 server that immediately disconnects on incorrect password (ex: aol.com POP3 server). r=asuth