KJS: allow to use packages with names starting with "kotlin" only if the -Xallow-kotlin-package command line option is specified

#KT-14668 Fixed

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/CommonCompilerArguments.java

@@ -63,6 +63,9 @@ public abstract class CommonCompilerArguments implements Serializable {
     @ValueDescription("<count>")
     public String repeat;
 
+    @Argument(value = "Xallow-kotlin-package", description = "Allow compiling code in package 'kotlin'")
+    public boolean allowKotlinPackage;
+
     @Argument(value = "Xplugin", description = "Load plugins from the given classpath")
     @ValueDescription("<path>")
     public String[] pluginClasspaths;

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2JVMCompilerArguments.java

@@ -94,9 +94,6 @@ public class K2JVMCompilerArguments extends CommonCompilerArguments {
     @Argument(value = "Xmultifile-parts-inherit", description = "Compile multifile classes as a hierarchy of parts and facade")
     public boolean inheritMultifileParts;
 
-    @Argument(value = "Xallow-kotlin-package", description = "Allow compiling code in package 'kotlin'")
-    public boolean allowKotlinPackage;
-
     @Argument(value = "Xskip-metadata-version-check", description = "Load classes with bad metadata version anyway (incl. pre-release classes)")
     public boolean skipMetadataVersionCheck;