Merge "Don't duplicate uapi ioprio constants." into main am: 46c366b0ed am: de1aeee88d am: ab62e7d3b0 am: f2c81fdd01 am: 239978de62

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

Change-Id: I7f6efb219fa48302f3d759cf686a5a696210b78a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>