KT-1378 Code formatting: spaces around ':'

Changed test data to match actual behavior of the "override methods" feature.

idea/testData/codeInsight/overrideImplement/javaParameters/foo/Impl.kt.after

@@ -2,7 +2,7 @@ import foo.Intf
 
 class Impl(): Intf {
 
-    override fun fooBar(i: Int, s: Array<String?>?, foo: Any?) {
+    override fun fooBar(i : Int, s : Array<String?>?, foo : Any?) {
         throw UnsupportedOperationException()
     }
 }