[Backport 2.0] Add resource stats to task framework

[opensearch-trigger-bot]

Backport 8b997c1 from #2089

[opensearch-ci-bot]

❌   Gradle Check failure 9bebecd
Log 3870

Reports 3870

[sruti1312]

@dblock Can you help with retrying the CI and merging this commit into 2.0?

[dblock]

@dblock Can you help with retrying the CI and merging this commit into 2.0?

On it. Next time when you see a gradle check failure do open the log and extract the error, and make sure we have an issue on it.

> Task :example-plugins:custom-settings:compileJava FAILED
/var/CITOOL/workflow/OpenSearch_CI/PR_Checks/Gradle_Check/search/plugins/examples/custom-settings/src/main/java/org/opensearch/example/customsettings/ExampleCustomSettingsConfig.java:99: error: cannot find symbol
        final Path configDir = environment.configFile();
                                          ^
  symbol:   method configFile()
  location: variable environment of type Environment
1 error

#2763

[dblock]

@sruti1312 DCO check above failed, I think you'll have to reopen this one by hand

[dblock]

start gradle check

[opensearch-ci-bot]

✅   Gradle Check success 9bebecd
Log 4171

Reports 4171

[nknize]

Fixing DCO check... need this to merge as it's killing mixedCluster bwc testing: #2757

This needs to merge first then I'll take care of the 2.1 backport. That's why 2.1 bwc tests are failing.

[nknize]

Hold up.. 2.0.0 is feature frozen. Why are we trying to squeeze this in?

[nknize]

Blocking until we determine if we really want to jam in after 2.0 feature freeze.

[opensearch-ci-bot]

✅   Gradle Check success 7547928
Log 4178

Reports 4178

[sruti1312]

This can included for 2.1 considering that PR that actually populates/adds resource consumption information to the Task.class is still open and not merged yet.

[dblock]

[Backport 2.x] Add resource stats to task framework #2655

Let's close the backport to 2.0 then.