Add blank line between java and javax imports

See gh-23539

spring-context-indexer/src/main/java/org/springframework/context/index/processor/CandidateComponentsIndexer.java

@@ -23,6 +23,7 @@ import java.util.EnumSet;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
+
 import javax.annotation.processing.Completion;
 import javax.annotation.processing.ProcessingEnvironment;
 import javax.annotation.processing.Processor;

spring-context-indexer/src/main/java/org/springframework/context/index/processor/IndexedStereotypesProvider.java

@@ -19,6 +19,7 @@ package org.springframework.context.index.processor;
 import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.Set;
+
 import javax.lang.model.element.AnnotationMirror;
 import javax.lang.model.element.Element;
 import javax.lang.model.element.ElementKind;

spring-context-indexer/src/main/java/org/springframework/context/index/processor/MetadataCollector.java

@@ -20,6 +20,7 @@ import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+
 import javax.annotation.processing.ProcessingEnvironment;
 import javax.annotation.processing.RoundEnvironment;
 import javax.lang.model.element.Element;

spring-context-indexer/src/main/java/org/springframework/context/index/processor/MetadataStore.java

@@ -19,6 +19,7 @@ package org.springframework.context.index.processor;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+
 import javax.annotation.processing.ProcessingEnvironment;
 import javax.tools.FileObject;
 import javax.tools.StandardLocation;

spring-context-indexer/src/main/java/org/springframework/context/index/processor/PackageInfoStereotypesProvider.java

@@ -18,6 +18,7 @@ package org.springframework.context.index.processor;
 
 import java.util.HashSet;
 import java.util.Set;
+
 import javax.lang.model.element.Element;
 import javax.lang.model.element.ElementKind;
 

spring-context-indexer/src/main/java/org/springframework/context/index/processor/StandardStereotypesProvider.java

@@ -18,6 +18,7 @@ package org.springframework.context.index.processor;
 
 import java.util.LinkedHashSet;
 import java.util.Set;
+
 import javax.lang.model.element.AnnotationMirror;
 import javax.lang.model.element.Element;
 import javax.lang.model.element.ElementKind;

spring-context-indexer/src/main/java/org/springframework/context/index/processor/StereotypesProvider.java

@@ -17,6 +17,7 @@
 package org.springframework.context.index.processor;
 
 import java.util.Set;
+
 import javax.lang.model.element.Element;
 
 /**

spring-context-indexer/src/main/java/org/springframework/context/index/processor/TypeHelper.java

@@ -19,6 +19,7 @@ package org.springframework.context.index.processor;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+
 import javax.annotation.processing.ProcessingEnvironment;
 import javax.lang.model.element.AnnotationMirror;
 import javax.lang.model.element.Element;

spring-context-indexer/src/test/java/org/springframework/context/index/processor/CandidateComponentsIndexerTests.java

@@ -20,6 +20,7 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.nio.file.Path;
+
 import javax.annotation.ManagedBean;
 import javax.inject.Named;
 import javax.persistence.Converter;

spring-context-indexer/src/test/java/org/springframework/context/index/test/TestCompiler.java

@@ -23,6 +23,7 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
+
 import javax.annotation.processing.Processor;
 import javax.tools.JavaCompiler;
 import javax.tools.JavaFileObject;