[IMPROVEMENT] Add more metrics about local storage info

[zuston]

What changes were proposed in this pull request?

Introduce more local storage infos' metrics.

Why are the changes needed?

In current codebase, there is no such local storage space info metrics. After this PR, we could monitor the disk utilization easily.

Does this PR introduce any user-facing change?

No

How was this patch tested?

UTs.

[zuston]

If you have time, PTAL @jerqi

[codecov-commenter]

Codecov Report

Merging #205 (0d09620) into master (78a0371) will decrease coverage by 0.58%.
The diff coverage is 94.73%.

@@             Coverage Diff              @@
##             master     #205      +/-   ##
============================================
- Coverage     58.89%   58.30%   -0.59%     
- Complexity     1309     1348      +39     
============================================
  Files           160      160              
  Lines          8615     9069     +454     
  Branches        801      914     +113     
============================================
+ Hits           5074     5288     +214     
- Misses         3282     3521     +239     
- Partials        259      260       +1     

Impacted Files	Coverage Δ
...org/apache/uniffle/server/LocalStorageChecker.java	70.19% <90.90%> (+2.45%)	⬆️
...in/java/org/apache/uniffle/server/HealthCheck.java	61.36% <100.00%> (+1.83%)	⬆️
...rg/apache/uniffle/server/ShuffleServerMetrics.java	96.11% <100.00%> (+0.24%)	⬆️
...pache/uniffle/server/ShuffleServerGrpcService.java	1.24% <0.00%> (+0.26%)	⬆️
...he/uniffle/client/impl/ShuffleWriteClientImpl.java	26.20% <0.00%> (+0.83%)	⬆️
...che/uniffle/server/storage/HdfsStorageManager.java	92.00% <0.00%> (+2.00%)	⬆️
.../java/org/apache/uniffle/common/util/RssUtils.java	73.51% <0.00%> (+7.31%)	⬆️
.../org/apache/uniffle/server/ShuffleTaskManager.java	75.00% <0.00%> (+10.71%)	⬆️
...rg/apache/uniffle/server/ShuffleDataReadEvent.java	75.00% <0.00%> (+75.00%)	⬆️

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[jerqi]

LGTM, thanks @zuston