ANDROID: sched: Add vendor hooks for override sugov behavior
Upstream moved the sugov to DEADLINE class which has higher prio than RT so it can potentially block many RT use case in Android.
Also currently iowait doesn't distinguish background/foreground tasks and we have seen cases where device run to high frequency unnecessarily when running some background I/O.
Bug: 297343949 Signed-off-by: Wei Wang wvw@google.com Change-Id: I21e9bfe9ef75a4178279574389e417c3f38e65ac