Merge "Use enumerator for AudioFocusChange"

    GAIN_TRANSIENT = 2,

    GAIN_TRANSIENT_MAY_DUCK = 3,

    GAIN_TRANSIENT_EXCLUSIVE = 4,

    LOSS = -1, // -1 * GAIN,

    LOSS_TRANSIENT = -2, // -1 * GAIN_TRANSIENT,

    LOSS_TRANSIENT_CAN_DUCK = -3, // -1 * GAIN_TRANSIENT_MAY_DUCK,

    LOSS = -1 * GAIN,

    LOSS_TRANSIENT = -1 * GAIN_TRANSIENT,

    LOSS_TRANSIENT_CAN_DUCK = -1 * GAIN_TRANSIENT_MAY_DUCK,

}

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