stdlib-gen: simpify copyright notice reading

libraries/tools/kotlin-stdlib-gen/src/templates/dsl/Writers.kt

@@ -16,7 +16,7 @@ fun autoGeneratedWarning(generator: String): String = """//
 // See: https://github.com/JetBrains/kotlin/tree/master/libraries/stdlib
 //"""
 
-lateinit var COPYRIGHT_NOTICE: String
+val COPYRIGHT_NOTICE: String by lazy { readCopyrightNoticeFromResource() }
 
 fun readCopyrightNoticeFromProfile(copyrightProfile: File): String = readCopyrightNoticeFromProfile { copyrightProfile.reader() }
 
@@ -31,6 +31,9 @@ fun readCopyrightNoticeFromProfile(getCopyrightReader: () -> Reader): String {
     return template.replace(yearTemplate, year).lines().joinToString("", prefix = "/*\n", postfix = " */\n") { " * $it\n" }
 }
 
+fun readCopyrightNoticeFromResource() = readCopyrightNoticeFromProfile { Thread.currentThread().contextClassLoader.getResourceAsStream("apache.xml")!!.reader() }
+
+
 
 data class TargetedSourceFile(
     val target: KotlinTarget,