Add log processors to the builder so LogSinkSdkProvider is immutable

[jack-berg]

Log processors should be added to the builder. LogSinkSdkProvider should be immutable.

[codecov]

Codecov Report

Merging #3751 (b4950f6) into main (9b9dcf9) will increase coverage by 0.08%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main    #3751      +/-   ##
============================================
+ Coverage     89.21%   89.29%   +0.08%     
- Complexity     3877     3880       +3     
============================================
  Files           464      464              
  Lines         12136    12139       +3     
  Branches       1189     1189              
============================================
+ Hits          10827    10840      +13     
+ Misses          916      910       -6     
+ Partials        393      389       -4     

Impacted Files	Coverage Δ
.../io/opentelemetry/sdk/logs/LogSinkSdkProvider.java	100.00% <100.00%> (ø)
...ntelemetry/sdk/logs/LogSinkSdkProviderBuilder.java	100.00% <100.00%> (ø)
...telemetry/sdk/trace/export/BatchSpanProcessor.java	90.78% <0.00%> (+0.70%)	⬆️
...ntelemetry/sdk/extension/resources/OsResource.java	90.69% <0.00%> (+4.65%)	⬆️
...ava/io/opentelemetry/sdk/internal/RateLimiter.java	100.00% <0.00%> (+5.88%)	⬆️
...metry/sdk/extension/resources/ProcessResource.java	87.50% <0.00%> (+6.25%)	⬆️
...elemetry/sdk/extension/resources/HostResource.java	92.30% <0.00%> (+15.38%)	⬆️
...dk/extension/resources/ProcessRuntimeResource.java	100.00% <0.00%> (+16.66%)	⬆️

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[jkwatson]

👍🏽