[repo] Migrate 'manifestAttributes()' into buildSrc

libraries/reflect/api/build.gradle

@@ -62,7 +62,7 @@ compileKotlin {
 LibrariesCommon.configureFrontendIr(project)
 
 jar {
-    manifestAttributes(manifest, project, "internal")
+    LibrariesCommon.manifestAttributes(project, manifest, "internal")
 }
 
 tasks.register("java9Jar", Jar) {

libraries/reflect/build.gradle.kts

@@ -238,7 +238,11 @@ val result by task<Jar> {
     from(zipTree(provider { reflectShadowJar.get().archiveFile.get().asFile })) {
         include("META-INF/versions/**")
     }
-    callGroovy("manifestAttributes", manifest, project, "Main", true)
+    manifestAttributes(
+        manifest,
+        component = "Main",
+        multiRelease = true
+    )
 }
 
 javadocJar()