[klib] Add an option to write out header klibs

The header klib is supposed to only contain the public abi of the module
similar to jvm-abi-gen. It is intended to be used as a dependency for other
klib compilations instead of the full klib for compilation avoidance.

^KT-60807

native/native.tests/testData/klib/header-klibs/compilation/privateValueClassConstructor/lib/lib.kt

@@ -0,0 +1,6 @@
+package lib
+
+value class A private constructor(val value: String) {
+    companion object { fun a() = A("OK") }
+    inline fun b() = value
+}

native/native.tests/testData/klib/header-klibs/compilation/privateValueClassConstructor/main/main.kt

@@ -0,0 +1,7 @@
+package app
+
+import lib.*
+
+fun runAppAndReturnOk(): String {
+    return A.a().b()
+}