JVM IR: Generate synthetic final implementation methods in SAM wrappers

compiler/testData/codegen/bytecodeText/sam/samWrapperSyntheticImplementationMethod.kt

@@ -0,0 +1,21 @@
+// FILE: J.java
+
+public class J {
+    public static void g(Runnable r) {
+        r.run();
+    }
+}
+
+// FILE: test.kt
+
+fun nonInlineFun() {
+    val f = {}
+    J.g(f)
+}
+
+inline fun inlineFun() {
+    val f = {}
+    J.g(f)
+}
+
+// 2 public final synthetic run\(\)V