feat: add disk bandwidth information for host

[gaius-qi]

Description

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.

[codecov]

Codecov Report

Attention: Patch coverage is 51.35135% with 18 lines in your changes missing coverage. Please review.

Project coverage is 35.42%. Comparing base (11d6564) to head (74a1452).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
scheduler/resource/persistentcache/host_manager.go	0.00%	14 Missing ⚠️
scheduler/scheduler.go	0.00%	2 Missing ⚠️
scheduler/service/service_v2.go	85.71%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3652      +/-   ##
==========================================
- Coverage   35.69%   35.42%   -0.28%     
==========================================
  Files         337      335       -2     
  Lines       37935    37531     -404     
==========================================
- Hits        13541    13295     -246     
+ Misses      23555    23407     -148     
+ Partials      839      829      -10     

Flag	Coverage Δ
unittests	35.42% <51.35%> (-0.28%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
scheduler/announcer/announcer.go	91.42% <100.00%> (-0.24%)	⬇️
scheduler/resource/persistentcache/host.go	100.00% <ø> (ø)
scheduler/resource/standard/host.go	88.23% <ø> (ø)
scheduler/rpcserver/rpcserver.go	100.00% <100.00%> (ø)
scheduler/rpcserver/scheduler_server_v1.go	2.66% <100.00%> (ø)
scheduler/rpcserver/scheduler_server_v2.go	1.26% <100.00%> (ø)
scheduler/scheduling/scheduling.go	84.36% <100.00%> (+0.06%)	⬆️
scheduler/service/service_v1.go	85.02% <ø> (+5.91%)	⬆️
scheduler/scheduler.go	0.00% <0.00%> (ø)
scheduler/service/service_v2.go	68.24% <85.71%> (+0.13%)	⬆️
... and 1 more

... and 5 files with indirect coverage changes

[chlins]

lgtm