Camera3Device: make request thread SCHED_FIFO for all cases

To mitigate the request thread CPU starvation for system highly loaded
situation.

Bug: 30357698
Bug: 28313712
Change-Id: Ied30103ce7245e139580219cce99d743b657307e
diff --git a/services/camera/libcameraservice/device3/Camera3Device.h b/services/camera/libcameraservice/device3/Camera3Device.h
index bbb6563..430ee6c 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.h
+++ b/services/camera/libcameraservice/device3/Camera3Device.h
@@ -178,7 +178,7 @@
     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 = 1;
+    static const int           kRequestThreadPriority = 1;
 
     struct                     RequestTrigger;
     // minimal jpeg buffer size: 256KB + blob header