Move parcelize checkers testdata to :parcelize-compiler module

plugins/parcelize/parcelize-compiler/testData/diagnostics/delegate.kt

@@ -0,0 +1,13 @@
+package test
+
+import kotlinx.parcelize.Parcelize
+import android.os.Parcelable
+import android.os.Parcel
+
+open class Delegate : Parcelable {
+    override fun writeToParcel(dest: Parcel?, flags: Int) {}
+    override fun describeContents() = 0
+}
+
+@Parcelize
+class Test : Parcelable <error descr="[PARCELABLE_DELEGATE_IS_NOT_ALLOWED] Delegating 'Parcelable' is not allowed">by</error> Delegate()