Parcelize: Fall back to readValue/writeValue if no other serializers are available

plugins/android-extensions/android-extensions-compiler/testData/parcel/codegen/serializeValue.kt

@@ -0,0 +1,13 @@
+// This test checks that we create calls to readValue/writeValue if there is no other
+// way of serializing properties. In this case, this would fail at runtime.
+
+// CURIOUS_ABOUT writeToParcel, createFromParcel, <clinit>, describeContents
+// WITH_RUNTIME
+
+import kotlinx.android.parcel.*
+import android.os.Parcelable
+
+class Value(val x: Int)
+
+@Parcelize
+class Test(val value: Value) : Parcelable