Initial implementation of KT-6427 Completion to use Java name suggestion to complete function parameters

(+ filtered out synthetic Kotlin classes from completion)

idea/idea-completion/testData/handlers/basic/highOrderFunctions/FunctionLiteralInsertWhenNoSpacesForBraces.kt

@@ -1,4 +1,4 @@
-// INSERT_WHITESPACES_IN_SIMPLE_ONE_LINE_METHOD: false
+// CODE_STYLE_SETTING: INSERT_WHITESPACES_IN_SIMPLE_ONE_LINE_METHOD = false
 
 fun main(args: Array<String>) {
     args.fil<caret>

idea/idea-completion/testData/handlers/basic/highOrderFunctions/FunctionLiteralInsertWhenNoSpacesForBraces.kt.after

@@ -1,4 +1,4 @@
-// INSERT_WHITESPACES_IN_SIMPLE_ONE_LINE_METHOD: false
+// CODE_STYLE_SETTING: INSERT_WHITESPACES_IN_SIMPLE_ONE_LINE_METHOD = false
 
 fun main(args: Array<String>) {
     args.filter {<caret>}