added supporting for @val variables inside lambdas.

test/transform/resource/after-delombok/ValInLambda.java

@@ -0,0 +1,18 @@
+// version 8:
+class ValInLambda {
+    Runnable foo = (Runnable) () -> {
+        final int i = 1;
+    };
+
+    public void easyLambda() {
+        Runnable foo = (Runnable) () -> {
+            final int i = 1;
+        };
+    }
+
+    public void easyIntersectionLambda() {
+        Runnable foo = (Runnable) () -> {
+            final int i = 1;
+        };
+    }
+}