8342336: Optimize ClassFile imports

Reviewed-by: liach

Author: wenshao

src/java.base/share/classes/java/lang/classfile/AccessFlags.java

@@ -24,9 +24,10 @@
  */
 package java.lang.classfile;
 
+import java.lang.reflect.AccessFlag;
 import java.util.Set;
+
 import jdk.internal.classfile.impl.AccessFlagsImpl;
-import java.lang.reflect.AccessFlag;
 import jdk.internal.javac.PreviewFeature;
 
 /**

src/java.base/share/classes/java/lang/classfile/Annotation.java

@@ -29,12 +29,11 @@
 import java.lang.classfile.attribute.RuntimeVisibleAnnotationsAttribute;
 import java.lang.classfile.attribute.RuntimeVisibleParameterAnnotationsAttribute;
 import java.lang.classfile.constantpool.Utf8Entry;
-import jdk.internal.classfile.impl.AnnotationImpl;
-import jdk.internal.classfile.impl.TemporaryConstantPool;
-
 import java.lang.constant.ClassDesc;
 import java.util.List;
 
+import jdk.internal.classfile.impl.AnnotationImpl;
+import jdk.internal.classfile.impl.TemporaryConstantPool;
 import jdk.internal.classfile.impl.Util;
 import jdk.internal.javac.PreviewFeature;