Attach preceding line comments to property accessors (KT-25417)

#KT-25417 Fixed

idea/testData/formatter/PropertyAccessors.after.kt

@@ -37,4 +37,16 @@ class EmptyProperties {
          *
          */
         set(value) {}
-}
+}
+
+var prop: Int // Int
+    get() = 1 // this is getter
+    set(value) {} // this is setter
+
+val prop2: Int get = 1 // prop2
+
+var prop3: Int // Int
+    // this comment is for getter
+    get() = 1
+    // this comment is for setter
+    set(value) {}

idea/testData/formatter/PropertyAccessors.kt

@@ -40,4 +40,16 @@ class EmptyProperties {
          *
          */
         set(value) {}
-}
+}
+
+var prop: Int // Int
+get() = 1 // this is getter
+set(value) {} // this is setter
+
+val prop2: Int get = 1 // prop2
+
+var prop3: Int // Int
+// this comment is for getter
+get() = 1
+// this comment is for setter
+set(value) {}