Extract kotlin.coroutines.experimental API into compat artifact

Add public API dump for kotlin-coroutines-experimental-compat

#KT-36083

libraries/stdlib/coroutines-experimental/jvm/test/utils.kt

@@ -0,0 +1,15 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package test
+
+import kotlin.test.*
+
+inline fun <reified T> assertStaticAndRuntimeTypeIs(value: T) {
+    @Suppress("USELESS_CAST")
+    if ((value as Any?) !is T) {
+        fail("Expected value $value to have ${T::class} type")
+    }
+}