Setup spacing rules for primary ctor's parts

idea/testData/formatter/PrimaryConstructor.after.kt

@@ -0,0 +1,28 @@
+class A1()
+
+class A2 private ()
+class A3 private [ann] protected ()
+class A4 private [ann1] protected [ann2] () {
+
+}
+
+class A5 private [ann]
+
+()
+
+class A6     /* faddf */ private ()
+
+class A7
+private
+[ann]
+()
+
+class A8     // eol comment
+private
+[ann]
+()
+
+class A9 // eol comment
+private // eol comment
+[ann] // eol comment
+()

idea/testData/formatter/PrimaryConstructor.kt

@@ -0,0 +1,27 @@
+class A1  ()
+
+class A2 private    ()
+class A3  private [ann] protected()
+class A4  private [ann1] protected    [ann2]  () {
+
+}
+class A5 private [ann]
+
+()
+
+class A6     /* faddf */    private ()
+
+class A7
+private
+[ann]
+()
+
+class A8     // eol comment
+private
+[ann]
+()
+
+class A9 // eol comment
+private // eol comment
+[ann] // eol comment
+()