Merge "Restore I/O priority support" into main am: 749e2e8e2d

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2944826

Change-Id: I0ae7e0f1ef9a6ccf484e33ed82f7c1fa8b522c06
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>