Add SDK Metrics Support

[xiazhvera]

Issue #, if available:

Description of changes:

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 81.25000% with 42 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.61%. Comparing base (c1ab0e2) to head (454d85b).

Files with missing lines	Patch %	Lines
source/mqtt_iot_sdk_metrics.c	84.52%	13 Missing ⚠️
source/v5/mqtt5_to_mqtt3_adapter.c	79.24%	11 Missing ⚠️
source/client.c	78.37%	8 Missing ⚠️
source/client_impl_shared.c	75.00%	8 Missing ⚠️
source/v5/mqtt5_options_storage.c	88.88%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #411      +/-   ##
==========================================
- Coverage   84.73%   84.61%   -0.13%     
==========================================
  Files          25       26       +1     
  Lines       10508    10730     +222     
==========================================
+ Hits         8904     9079     +175     
- Misses       1604     1651      +47     

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