Change BatchLogRecordProcessorFactory::Create to static method

[ninghejun]

Change BatchLogRecordProcessorFactory::Create to static method.
Fixed a typo in a comment.

Fixes # (issue)

Changes

• [METRICS] Change BatchLogRecordProcessorFactory::Create to static method

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

[linux-foundation-easycla]

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• ✅ login: ninghejun / name: andyning (0e9b4cd)

[lalitb]

LGTM. Thanks for the fix.

[codecov]

Codecov Report

Merging #1876 (da3957d) into main (066c2f3) will decrease coverage by 0.08%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1876      +/-   ##
==========================================
- Coverage   85.79%   85.71%   -0.07%     
==========================================
  Files         171      171              
  Lines        5240     5240              
==========================================
- Hits         4495     4491       -4     
- Misses        745      749       +4     

Impacted Files	Coverage Δ
...lude/opentelemetry/sdk/common/global_log_handler.h	72.23% <ø> (ø)
ext/src/http/client/curl/http_client_curl.cc	80.31% <0.00%> (-1.13%)	⬇️
sdk/src/trace/batch_span_processor.cc	90.63% <0.00%> (-0.78%)	⬇️