Add platformStatic annotation to main method from java

#KT-8219 Fixed

j2k/testData/fileOrElement/issues/kt-638.kt

@@ -1,4 +1,6 @@
 // ERROR: Property must be initialized or be abstract
+import kotlin.platform.platformStatic
+
 public class Identifier<T> {
     public val name: T
     private val myHasDollar: Boolean
@@ -21,11 +23,9 @@ public class Identifier<T> {
 }
 
 public object User {
-    public fun main(args: Array<String>) {
+    platformStatic public fun main(args: Array<String>) {
         val i1 = Identifier("name", false, true)
         val i2 = Identifier("name", false)
         val i3 = Identifier("name")
     }
-}
-
-fun main(args: Array<String>) = User.main(args)
+}

j2k/testData/fileOrElement/issues/kt-807.kt

@@ -3,9 +3,10 @@
 // ERROR: Assignments are not expressions, and only expressions are allowed in this context
 // ERROR: Unresolved reference: close
 import java.io.*
+import kotlin.platform.platformStatic
 
 object FileRead {
-    public fun main(args: Array<String>) {
+    platformStatic public fun main(args: Array<String>) {
         try {
             val fstream = FileInputStream()
             val `in` = DataInputStream(fstream)
@@ -20,6 +21,4 @@ object FileRead {
         }
 
     }
-}
-
-fun main(args: Array<String>) = FileRead.main(args)
+}

j2k/testData/fileOrElement/issues/kt-871.kt

@@ -1,9 +1,9 @@
 package demo
 
+import kotlin.platform.platformStatic
+
 object Program {
-    public fun main(args: Array<String>) {
+    platformStatic public fun main(args: Array<String>) {
         println("Halo!")
     }
-}
-
-fun main(args: Array<String>) = Program.main(args)
+}