Remove unnecessary policy flags.

    /* These flags are set by the input reader policy as it intercepts each event. */

    // Indicates that the screen was off when the event was received and the event

    // should wake the device.

    POLICY_FLAG_WOKE_HERE = 0x10000000,

    // Indicates that the screen was dim when the event was received and the event

    // should brighten the device.

    POLICY_FLAG_BRIGHT_HERE = 0x20000000,

    // Indicates that the device was in an interactive state when the

    // event was intercepted.

    POLICY_FLAG_INTERACTIVE = 0x20000000,

    // Indicates that the event should be dispatched to applications.

    // The input event should still be sent to the InputDispatcher so that it can see all