[Backport to main] Add memory consumption estimation for models in profile API. (#853)

[rbhavna]

Description

Backport PR #853 to main branch

Issues Resolved

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

Merging #991 (a084d5a) into main (bdd1388) will decrease coverage by 0.07%.
The diff coverage is 73.68%.

@@             Coverage Diff              @@
##               main     #991      +/-   ##
============================================
- Coverage     83.92%   83.85%   -0.07%     
- Complexity     1691     1696       +5     
============================================
  Files           138      138              
  Lines          6425     6462      +37     
  Branches        646      651       +5     
============================================
+ Hits           5392     5419      +27     
- Misses          753      758       +5     
- Partials        280      285       +5     

Flag	Coverage Δ
ml-commons	83.85% <73.68%> (-0.07%)	⬇️

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Impacted Files	Coverage Δ
...n/java/org/opensearch/ml/model/MLModelManager.java	76.95% <0.00%> (-0.18%)	⬇️
...java/org/opensearch/ml/profile/MLModelProfile.java	62.50% <60.00%> (-0.47%)	⬇️
...va/org/opensearch/ml/model/MLModelCacheHelper.java	86.07% <77.27%> (-1.43%)	⬇️
...ain/java/org/opensearch/ml/model/MLModelCache.java	84.28% <100.00%> (+0.46%)	⬆️
...va/org/opensearch/ml/rest/RestMLProfileAction.java	94.73% <100.00%> (+0.11%)	⬆️