Merge "APM: Avoid invalidation of music stream if not required."

        // must be called every time a condition that affects the output choice for a given strategy

        // changes: connected device, phone state, force use...

        // Must be called before updateDevicesAndOutputs()

        void checkOutputForStrategy(routing_strategy strategy);

        virtual void checkOutputForStrategy(routing_strategy strategy);

        // Same as checkOutputForStrategy() but for a all strategies in order of priority

        void checkOutputForAllStrategies();