Make package protected

Author: trask

instrumentation/spring/spring-webmvc/spring-webmvc-5.3/library/src/main/java/io/opentelemetry/instrumentation/spring/webmvc/v5_3/SpringWebMvcTelemetryBuilder.java

@@ -123,7 +123,7 @@ public SpringWebMvcTelemetry build() {
     return new SpringWebMvcTelemetry(builder.build());
   }
 
-  public DefaultHttpServerInstrumenterBuilder<HttpServletRequest, HttpServletResponse>
+  DefaultHttpServerInstrumenterBuilder<HttpServletRequest, HttpServletResponse>
       getBuilder() {
     return builder;
   }

instrumentation/spring/spring-webmvc/spring-webmvc-6.0/library/src/main/java/io/opentelemetry/instrumentation/spring/webmvc/v6_0/SpringWebMvcTelemetryBuilder.java

@@ -122,7 +122,7 @@ public SpringWebMvcTelemetry build() {
     return new SpringWebMvcTelemetry(builder.build());
   }
 
-  public DefaultHttpServerInstrumenterBuilder<HttpServletRequest, HttpServletResponse>
+  DefaultHttpServerInstrumenterBuilder<HttpServletRequest, HttpServletResponse>
       getBuilder() {
     return builder;
   }