Workarounds to build parts of stdlib as kotlin-runtime and mock runtime

Fix source paths of kotlin-stdlib-minimal-for-tests

libraries/stdlib/jvm/runtime/kotlin/UninitializedPropertyAccessException.kt

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+@file:Suppress("ACTUAL_WITHOUT_EXPECT") // for building kotlin-runtime
+
 package kotlin
 
 public actual class UninitializedPropertyAccessException : RuntimeException {