[Bug] TV accessory becomes non-responsive when turned on for a few minutes
Not a huge deal, but it seems when turning the TV on through the Home app, the TV will properly turn on immediately, but the state will remain off and unresponsive for several minutes.

Below is a log, starting from when I turn the TV on.

```
[11/9/2017, 6:57:53 PM] [LGTV] webOS3 connecting to TV
[11/9/2017, 6:57:56 PM] [LGTV] webOS3 TV state: Off
[11/9/2017, 6:58:09 PM] [LGTV] webOS3 connected to TV
[11/9/2017, 6:59:40 PM] [LGTV] webOS3 TV volume: 100
[11/9/2017, 6:59:40 PM] [LGTV] webOS3 TV muted: No
[11/9/2017, 6:59:40 PM] [LGTV] webOS3 TV state: On
```
Upon toggling the TV state on Home, it connects, receives the state (off), and turns it on. There is then a 90 second delay before it receives the new state (on). During this time, the accessory is non-responding in the home app.