[JVM] Lower .entries calls on Kotlin enums

Leveraging the same mechanism with $EntriesMapping as Java enums.
Old (compiled with LV/AV < 1.8) enums are detected by looking for
static special <get-entries> method that cannot be introduced on
Kotlin enums otherwise

#KT-53236

compiler/testData/codegen/box/enum/enumEntriesFromJava.kt

@@ -13,5 +13,6 @@ enum MyEnum {
 fun box(): String {
     val entries = MyEnum.entries
     val entry = entries[0]
+    require(java.util.concurrent.TimeUnit.entries.size == java.util.concurrent.TimeUnit.values().size)
     return entry.toString()
 }