Configuration: Support selection of "Latest stable" version vs specific one

#KT-21229 Fixed

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/CommonCompilerArguments.kt

@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.cli.common.arguments
 
+import com.intellij.util.xmlb.annotations.Transient
 import org.jetbrains.kotlin.cli.common.messages.MessageCollector
 import org.jetbrains.kotlin.config.AnalysisFlag
 import java.util.*
@@ -32,6 +33,9 @@ abstract class CommonCompilerArguments : CommonToolArguments() {
         const val ENABLE = "enable"
     }
 
+    @get:Transient
+    var autoAdvanceLanguageVersion: Boolean by FreezableVar(true)
+
     @GradleOption(DefaultValues.LanguageVersions::class)
     @Argument(
             value = "-language-version",
@@ -40,6 +44,9 @@ abstract class CommonCompilerArguments : CommonToolArguments() {
     )
     var languageVersion: String? by FreezableVar(null)
 
+    @get:Transient
+    var autoAdvanceApiVersion: Boolean by FreezableVar(true)
+
     @GradleOption(DefaultValues.LanguageVersions::class)
     @Argument(
             value = "-api-version",