KT-4727 J2K: Convert Java code copied from browser or other sources

#KT-4727 Fixed

idea/testData/copyPaste/plainTextConversion/MembersIntoClass.expected.kt

@@ -0,0 +1,10 @@
+class A {
+    fun foo() {
+        val list = ArrayList<String>()
+        list.add(1)
+    }
+
+    fun bar() {
+    }
+
+}