[JVM] Reduce number of param slots for string concatenation

With paramSlot = 200 those tests fails on JDKs which are newer than JDK 9
- testConcatDynamic200Long
- testConcatDynamicIndy200Long()

compiler/backend/src/org/jetbrains/kotlin/codegen/StringConcatGenerator.kt

@@ -87,7 +87,7 @@ class StringConcatGenerator(val mode: JvmStringConcat, val mv: InstructionAdapte
             paramTypes.add(type)
             paramSlots += type.size
             template.append("\u0001")
-            if (paramSlots >= 200) {
+            if (paramSlots >= 199) {
                 // Concatenate current arguments into string
                 // because of `StringConcatFactory` limitation add use it as new argument for further processing:
                 // "The number of parameter slots in {@code concatType} is less than or equal to 200"
@@ -166,4 +166,4 @@ class StringConcatGenerator(val mode: JvmStringConcat, val mv: InstructionAdapte
             StringConcatGenerator(state.runtimeStringConcat, mv)
 
     }
-}
+}