Implementing configurable aggregation cardinality limit and collector emitting all views instead of last view

[PradSenn]

Fixes #3292 Cardinality of the Aggregation limit (2000) is hardcoded and no ability to configure as part of the meter/aggregation.

Meter stores meter-name to storage in storage_registry_. When multiple views are added, the last view overrides the previous view, and collector can only emit the last view's metrics that are added.

Changes

Please provide a brief description of the changes here.

Introducing cardinality as configurable parameter in AggregationConfig, and implementing the limit from AggregationConfig in Storage.

Changing the storage_registry_ to keep track of view_name to storage, instead of metric_name to storage. So when multiple views are added, different view-names will be collected by collector. Please provide a brief description of the changes here.

For significant contributions please make sure you have completed the following items:

• [ ] CHANGELOG.md updated for non-trivial changes
• [ ] Unit tests have been added
• [ ] Changes in public API reviewed

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[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 89.57%. Comparing base (4ecafb6) to head (3af667c). :warning: Report is 181 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3299      +/-   ##
==========================================
+ Coverage   89.52%   89.57%   +0.06%     
==========================================
  Files         210      210              
  Lines        6526     6529       +3     
==========================================
+ Hits         5842     5848       +6     
+ Misses        684      681       -3     

Files with missing lines	Coverage Δ
...metry/sdk/metrics/aggregation/aggregation_config.h	100.00% <100.00%> (ø)
sdk/include/opentelemetry/sdk/metrics/meter.h	57.15% <ø> (ø)
...telemetry/sdk/metrics/state/async_metric_storage.h	94.60% <100.00%> (ø)
...entelemetry/sdk/metrics/state/attributes_hashmap.h	97.02% <100.00%> (+4.71%)	:arrow_up:
...ntelemetry/sdk/metrics/state/sync_metric_storage.h	86.37% <100.00%> (ø)
sdk/src/metrics/meter.cc	82.50% <100.00%> (ø)
sdk/src/metrics/state/sync_metric_storage.cc	100.00% <100.00%> (ø)
sdk/src/metrics/state/temporal_metric_storage.cc	97.37% <100.00%> (ø)

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[ThomsonTan]

@PradSenn could you please resolve the conflicts and fix the CI?

[marcalff]

@PradSenn could you please resolve the conflicts and fix the CI?

@PradSenn Thanks for the PR. Please take a look.

[ThomsonTan]

Updated and merged in https://github.com/open-telemetry/opentelemetry-cpp/pull/3624.