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

plugins/parcelize/parcelize-compiler/testData/box/nestedMaps.kt

@@ -0,0 +1,28 @@
+// WITH_RUNTIME
+
+@file:JvmName("TestKt")
+package test
+
+import kotlinx.parcelize.*
+import android.os.Parcel
+import android.os.Parcelable
+import java.util.Arrays
+
+@Parcelize
+class Data(val data: Map<Array<Int>, Array<Int>>) : Parcelable
+
+fun box() = parcelTest { parcel ->
+    val first = Data(mapOf(arrayOf(0) to arrayOf(1)))
+
+    first.writeToParcel(parcel, 0)
+
+    val bytes = parcel.marshall()
+    parcel.unmarshall(bytes, 0, bytes.size)
+    parcel.setDataPosition(0)
+
+    val second = readFromParcel<Data>(parcel)
+    assert(second.data.size == 1)
+    val entry = second.data.entries.single()
+    assert(Arrays.equals(entry.key, arrayOf(0)))
+    assert(Arrays.equals(entry.value, arrayOf(1)))
+}