[Commonizer] Add 'commonizer_target' and 'commonizer_native_targets' to commonized klib's manifest

^KT-46077 Fixed

compiler/util-klib/src/org/jetbrains/kotlin/library/KotlinLibrary.kt

@@ -22,6 +22,19 @@ const val KLIB_PROPERTY_INTEROP = "interop"
 const val KLIB_PROPERTY_EXPORT_FORWARD_DECLARATIONS = "exportForwardDeclarations"
 const val KLIB_PROPERTY_NATIVE_TARGETS = "native_targets"
 
+// Commonizer-specific:
+/**
+ * Identity String of the commonizer target representing this artifact.
+ * This will also include native targets that were absent during commonization
+ */
+const val KLIB_PROPERTY_COMMONIZER_TARGET = "commonizer_target"
+
+/**
+ * Similar to [KLIB_PROPERTY_NATIVE_TARGETS] but this will also preserve targets
+ * that were unsupported on the host creating this artifact
+ */
+const val KLIB_PROPERTY_COMMONIZER_NATIVE_TARGETS = "commonizer_native_targets"
+
 /**
  * Abstractions for getting access to the information stored inside of Kotlin/Native library.
  */
@@ -31,6 +44,7 @@ interface BaseKotlinLibrary {
     val libraryFile: File
     val componentList: List<String>
     val versions: KotlinLibraryVersioning
+
     // Whether this library is default (provided by distribution)?
     val isDefault: Boolean
     val manifestProperties: Properties
@@ -80,4 +94,12 @@ val BaseKotlinLibrary.nativeTargets: List<String>
     get() = manifestProperties.propertyList(KLIB_PROPERTY_NATIVE_TARGETS)
 
 val KotlinLibrary.containsErrorCode: Boolean
-    get() = manifestProperties.getProperty(KLIB_PROPERTY_CONTAINS_ERROR_CODE) == "true"
+    get() = manifestProperties.getProperty(KLIB_PROPERTY_CONTAINS_ERROR_CODE) == "true"
+
+val KotlinLibrary.commonizerTarget: String?
+    get() = manifestProperties.getProperty(KLIB_PROPERTY_COMMONIZER_TARGET)
+
+val KotlinLibrary.commonizerNativeTargets: List<String>?
+    get() = if (manifestProperties.containsKey(KLIB_PROPERTY_COMMONIZER_NATIVE_TARGETS))
+        manifestProperties.propertyList(KLIB_PROPERTY_COMMONIZER_NATIVE_TARGETS, escapeInQuotes = true)
+    else null