[automerger skipped] [DO NOT MERGE] Migrate the blkio controller to the v2...

[automerger skipped] [DO NOT MERGE] Migrate the blkio controller to the v2 cgroup hierarchy am: eef0f563 am: c50f4d54 am: 0c6cb94f -s ours am: 59a984ba -s ours

am skip reason: subject contains skip directive

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2378990



Change-Id: I96d43d384c9a6b78ac3859da4bbb7153a879c71e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>