inline method: allow lambda inlining (IDEA-177994)

java/java-tests/testData/refactoring/inlineMethod/OnLambda.java

@@ -0,0 +1,9 @@
+class Foo {
+    void m(Runnable r) {}
+    void ff(Runnable r) {
+        m(r);
+    }
+    {
+        f<caret>f(() -> {});
+    }
+}