Parcelize: Add the Parcelize compiler plugin with sources extracted from Android Extensions plugin (KT-40030)

plugins/parcelize/parcelize-compiler/testData/codegen/duplicatingClinit.kt

@@ -0,0 +1,14 @@
+// CURIOUS_ABOUT <clinit>
+// WITH_RUNTIME
+
+import kotlinx.parcelize.*
+import android.os.Parcelable
+import kotlin.jvm.JvmStatic
+
+@Parcelize
+class User(val firstName: String) : Parcelable {
+    companion object {
+        @JvmStatic
+        private val test = StringBuilder()
+    }
+}