feat: add record statistics of partitions and topics from proto

[EddDoubleD]

#315 (comment)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 34 lines in your changes missing coverage. Please review.

Project coverage is 47.37%. Comparing base (4ff4686) to head (1b01046).

Files with missing lines	Patch %	Lines
...main/java/tech/ydb/topic/impl/TopicClientImpl.java	0.00%	32 Missing ⚠️
...java/tech/ydb/topic/description/ConsumerStats.java	0.00%	1 Missing ⚠️
...ava/tech/ydb/topic/description/PartitionStats.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #316      +/-   ##
============================================
- Coverage     47.48%   47.37%   -0.12%     
  Complexity     1727     1727              
============================================
  Files           304      304              
  Lines         12317    12350      +33     
  Branches       1229     1229              
============================================
+ Hits           5849     5851       +2     
- Misses         6013     6044      +31     
  Partials        455      455              

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