am 4a8f4a3f: Camera3Device: Change HFR request thread priority to 1

    static const size_t        kInFlightWarnLimit = 20;

    static const size_t        kInFlightWarnLimitHighSpeed = 256; // batch size 32 * pipe depth 8

    // SCHED_FIFO priority for request submission thread in HFR mode

    static const int           kConstrainedHighSpeedThreadPriority = 3;

    static const int           kConstrainedHighSpeedThreadPriority = 1;

    struct                     RequestTrigger;

    // minimal jpeg buffer size: 256KB + blob header