inserting paired brace for lambda body (following IDEA-CR-8127)

java/java-tests/testData/codeInsight/typing/insertPairedBraceForLambdaBody_after.java

@@ -0,0 +1,5 @@
+class A {
+  void m() {
+    javax.swing.SwingUtilities.invokeLater(() -> {<caret>});
+  }
+}

java/java-tests/testData/codeInsight/typing/insertPairedBraceForLambdaBody_before.java

@@ -0,0 +1,5 @@
+class A {
+  void m() {
+    javax.swing.SwingUtilities.invokeLater(() -> <caret>);
+  }
+}