Merge "Don't duplicate uapi ioprio constants." into main am: 46c366b0ed am: de1aeee88d am: ab62e7d3b0

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2759694

Change-Id: If5ac3213e8b99a0141e023a30f27db89f623cb53
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/libcutils/iosched_policy.cpp b/libcutils/iosched_policy.cpp
index 012c537..f7c724d 100644
--- a/libcutils/iosched_policy.cpp
+++ b/libcutils/iosched_policy.cpp
@@ -24,8 +24,7 @@
 #include <unistd.h>
 
 #if defined(__ANDROID__)
-#define IOPRIO_WHO_PROCESS (1)
-#define IOPRIO_CLASS_SHIFT (13)
+#include <linux/ioprio.h>
 #include <sys/syscall.h>
 #define __android_unused
 #else