Disable annotation processing in the runtime compiler

[nisargthakkar]

In one of our use-cases, we noticed this compilation failure:

FastSerdeBase [INFO] Starting compilation for the generated source file: <redacted>/MultiGetResponseRecordV1_GenericDeserializer_1339531883776153861_1339531883776153861.java 
warning: Supported source version 'RELEASE_6' from annotation processor 'org.antlr.v4.runtime.misc.NullUsageProcessor' less than -source '1.8'
error: Bad service configuration file, or exception thrown while constructing Processor object: javax.annotation.processing.Processor: Provider lombok.launch.AnnotationProcessorHider$AnnotationProcessor not found
...
Caused by: com.linkedin.venice.exceptions.VeniceException: Failed to generate fast generic de-serializer for Avro schema: {"type":"record","name":"MultiGetResponseRecordV1","namespace":"com.linkedin.venice.read.protocol.response","doc":"This field will store all the related info for one record","fields":[{"name":"keyIndex","type":"int","doc":"The corresponding key index for each record. Venice Client/Router is maintaining a mapping between a unique index and the corresponding key, so that Venice backend doesn't need to return the full key bytes to reduce network overhead"},{"name":"value","type":"bytes","doc":"Avro serialized value"},{"name":"schemaId","type":"int","doc":"Schema id of current store being used when serializing this record"}]}
	at com.linkedin.venice.serializer.FastSerializerDeserializerFactory.verifyWhetherFastGenericDeserializerWorks(FastSerializerDeserializerFactory.java:78) ~[venice-client-common-0.4.111.jar:?]
...

It turned out that the user had excluded lombok from all configurations and hence, the annotation processor was not found in the classpath. Although this can be attributed as a user error, since fast-avro doesn't use annotations, we can disable annotation processing completely. It could potentially speed up the compilation a bit too since the compiler won't search through the classpath to find all annotation processors.

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (b96177e) 45.75% compared to head (05edbb8) 45.75%.
Report is 7 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #518   +/-   ##
=========================================
  Coverage     45.75%   45.75%           
- Complexity     4432     4433    +1     
=========================================
  Files           398      398           
  Lines         28015    28015           
  Branches       4619     4619           
=========================================
+ Hits          12817    12819    +2     
  Misses        13640    13640           
+ Partials       1558     1556    -2     

see 7 files with indirect coverage changes

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[FelixGV]

SGTM! Thanks for digging and putting out the fix!