Add stdlib to composite build of Kotlin + Kotlin/Native

include/kotlin-stdlib-common-sources/build.gradle.kts

@@ -0,0 +1,13 @@
+plugins {
+    kotlin("jvm")
+}
+
+val sources by configurations.creating
+
+dependencies {
+    sources(project(":kotlin-stdlib-common", configuration = "sources"))
+}
+
+artifacts {
+    add("runtime", provider { sources.singleFile })
+}

settings.gradle

@@ -198,6 +198,7 @@ include ":kotlin-build-common",
         ":libraries:kotlin-prepush-hook",
         ":libraries:tools:mutability-annotations-compat",
         ":include:kotlin-compiler",
+        ":include:kotlin-stdlib-common-sources",
         ":plugins:jvm-abi-gen",
         ":usage-statistics",