We used to only identify the avd by api level and abi. That was
obviously incorrect, but at the time I didn't know how to get
the actual avd name from a running emulator.

Turns out this is reasonable easy via telnet on the emulator port.

Change-Id: I387901a5294674f44399c0726abcc9feea221e8d
Task-number: QTCREATORBUG-13095
Reviewed-by: BogDan Vatra <bogdan@kde.org>