JVM_IR indy-SAM: function reference to Java interface

compiler/testData/codegen/box/invokedynamic/sam/functionExprToJavaInterface/genericSam1.kt

@@ -0,0 +1,11 @@
+// TARGET_BACKEND: JVM
+// JVM_TARGET: 1.8
+// SAM_CONVERSIONS: INDY
+// FILE: genericSam1.kt
+
+fun box(): String = Sam<String, String> { "O" + it }.get("K")
+
+// FILE: Sam.java
+public interface Sam<T, R> {
+    R get(T x);
+}