Replace all occurrences of WITH_RUNTIME with WITH_STDLIB

We are going to deprecate `WITH_RUNTIME` directive. The main reason
behind this change is that `WITH_STDLIB` directive better describes
its meaning, specifically it will add kotlin stdlib to test's classpath.

compiler/testData/multiplatform/contracts/common.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 package common
 
 fun test(x: List<Int>?) {

compiler/testData/multiplatform/contracts/js.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 package js
 
 fun test(x: List<Int>?) {

compiler/testData/multiplatform/contracts/jvm.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 package jvm
 
 fun test(x: List<Int>?) {

compiler/testData/multiplatform/jvmMultifileClass/common.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 
 @file:kotlin.jvm.JvmMultifileClass
 @file:kotlin.jvm.JvmName("CommonKt")

compiler/testData/multiplatform/optionalExpectation/common.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 // ADDITIONAL_COMPILER_ARGUMENTS: -opt-in=kotlin.ExperimentalMultiplatform
 
 @OptionalExpectation

compiler/testData/multiplatform/optionalExpectationIncorrectUse/common.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 // ADDITIONAL_COMPILER_ARGUMENTS: -opt-in=kotlin.ExperimentalMultiplatform
 
 @OptionalExpectation