Java: Convert intention "Join Declaration And Assignment" into inspection (IDEA-178919)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/joinDeclaration/afterComment.java

@@ -0,0 +1,8 @@
+// "Join declaration and assignment" "true"
+class Test {
+  {
+    String ss = "hello"; // comment A
+    // comment B
+    /*comment C*/ /*comment D*/ // comment E
+  }
+}