Add Topic compression and processing duration histograms

[KirillKurdyukov]

Child of #775; base: topic-reader-metrics.

Adds compression.duration and message.processing.duration histograms for Topic Writer and Reader. Preparation includes internal queueing; codec timing excludes queueing. Records successful and failed operations with codec/outcome and error.type on errors. RAW has preparation timing only.

Verified: 122 existing tests, 17 public-SDK/component scenarios, Checkstyle with no violations. No test changes.

[codecov]

Codecov Report

❌ Patch coverage is 88.57143% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.43%. Comparing base (7dfb60e) to head (c050d91).

Files with missing lines	Patch %	Lines
...n/java/tech/ydb/topic/read/impl/ReaderMetrics.java	73.33%	1 Missing and 3 partials ⚠️
.../java/tech/ydb/topic/write/impl/WriterMetrics.java	73.33%	1 Missing and 3 partials ⚠️

Additional details and impacted files

@@                   Coverage Diff                   @@
##             topic-reader-metrics     #778   +/-   ##
=======================================================
  Coverage                   75.42%   75.43%           
- Complexity                   3769     3781   +12     
=======================================================
  Files                         396      396           
  Lines                       16932    16995   +63     
  Branches                     1793     1802    +9     
=======================================================
+ Hits                        12771    12820   +49     
- Misses                       3543     3548    +5     
- Partials                      618      627    +9     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.