Align the Boolean.hashCode() value across platforms

Boolean.hashCode() should return 1231/1237 for true/false correspondingly.

As a part of efforts to stabilize Native stdlib.

kotlin-native/backend.native/tests/codegen/boxing/box_cache0.kt

@@ -11,44 +11,48 @@ fun <T> areSame(arg1: T, arg2: T): Boolean {
     return arg1 === arg2
 }
 
+fun Boolean.oneIfTrueElseZero(): Int {
+    return if (this) 1 else 0
+}
+
 @Test fun runTest() {
     var acc = 0
     val range = 1000
 
     for (i in arrayOf(false, true)) {
         for (j in arrayOf(false, true)) {
-            acc += areSame(i, j).hashCode()
+            acc += areSame(i, j).oneIfTrueElseZero()
         }
     }
     println(acc)
 
     acc = 0
     for (i in Byte.MIN_VALUE..Byte.MAX_VALUE) {
-        acc += areSame(i, i).hashCode()
+        acc += areSame(i, i).oneIfTrueElseZero()
     }
     println(acc)
 
     acc = 0
     for (i in Short.MIN_VALUE..Short.MAX_VALUE) {
-        acc += areSame(i, i).hashCode()
+        acc += areSame(i, i).oneIfTrueElseZero()
     }
     println(acc)
 
     acc = 0
     for (i in 0.toChar()..range.toChar()) {
-        acc += areSame(i, i).hashCode()
+        acc += areSame(i, i).oneIfTrueElseZero()
     }
     println(acc)
 
     acc = 0
     for (i in -range..range) {
-        acc += areSame(i, i).hashCode()
+        acc += areSame(i, i).oneIfTrueElseZero()
     }
     println(acc)
 
     acc = 0
     for (i in -range.toLong()..range.toLong()) {
-        acc += areSame(i, i).hashCode()
+        acc += areSame(i, i).oneIfTrueElseZero()
     }
     println(acc)
 }