Merge PR #406: Update processors module to follow style guide

Author: trask

processors/src/main/java/io/opentelemetry/contrib/filter/FilteringLogRecordProcessor.java

@@ -11,10 +11,10 @@
 import io.opentelemetry.sdk.logs.data.LogRecordData;
 import java.util.function.Predicate;
 
-public class FilteringLogRecordProcessor implements LogRecordProcessor {
+public final class FilteringLogRecordProcessor implements LogRecordProcessor {
 
-  public final LogRecordProcessor delegate;
-  public final Predicate<LogRecordData> predicate;
+  private final LogRecordProcessor delegate;
+  private final Predicate<LogRecordData> predicate;
 
   public FilteringLogRecordProcessor(
       LogRecordProcessor delegate, Predicate<LogRecordData> predicate) {

processors/src/test/java/io/opentelemetry/contrib/filter/FilteringLogRecordProcessorTest.java

@@ -79,7 +79,7 @@ public SdkLoggerProviderBuilder apply(
                     logRecordData -> {
                       SpanContext spanContext = logRecordData.getSpanContext();
                       return spanContext.isSampled();
-                    }) {})
+                    }))
             .build()
             .get("TestScope");
   }