Bug: 3027023
1. user is connected to a headset. Headset is turned off.
2. User connects to another device. The priority of the first
headset must be set to ON. We only have 1 device set at AUTO_CONNECT
priority.
1. A remote headset sends an incoming connection. Don't set
AUTO_CONNECT till its gets connected.
2. For outgoing connections, set it to AUTO_CONNECT in Connecting state
since the user initated this connection.
Change-Id: Iaa211bf22b1fd99850875f7eda686c47142173ba
bcf5cf47ed