Reformat stdlib tests and samples

#KT-5558

libraries/stdlib/jvm/test/io/Console.kt

@@ -4,6 +4,7 @@
  */
 
 @file:Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+
 package test.io
 
 import org.junit.Test

libraries/stdlib/jvm/test/io/Files.kt

@@ -521,8 +521,7 @@ class FilesTest {
             }
 
             var conflicts = 0
-            src.copyRecursively(dst) {
-                _: File, e: IOException ->
+            src.copyRecursively(dst) { _: File, e: IOException ->
                 if (e is FileAlreadyExistsException) {
                     conflicts++
                     OnErrorAction.SKIP
@@ -536,8 +535,7 @@ class FilesTest {
                 try {
                     dst.deleteRecursively()
                     var caught = false
-                    assertTrue(src.copyRecursively(dst) {
-                        _: File, e: IOException ->
+                    assertTrue(src.copyRecursively(dst) { _: File, e: IOException ->
                         if (e is AccessDeniedException) {
                             caught = true
                             OnErrorAction.SKIP

libraries/stdlib/jvm/test/io/IOStreams.kt

@@ -36,7 +36,7 @@ class IOStreamsTest {
         val result = mutableListOf<Byte>()
 
         x.inputStream().buffered().use { stream ->
-            for(b in stream) {
+            for (b in stream) {
                 result += b
             }
         }

libraries/stdlib/jvm/test/io/SerializableTest.kt

@@ -87,5 +87,5 @@ private fun hexToBytes(value: String): ByteArray = value.split(" ").map { Intege
 public fun <T> deserializeFromHex(value: String) = deserializeFromByteArray<T>(hexToBytes(value))
 
 public fun <T> serializeToHex(value: T) =
-        serializeToByteArray(value).joinToString(" ") { (it.toInt() and 0xFF).toString(16).padStart(2, '0') }
+    serializeToByteArray(value).joinToString(" ") { (it.toInt() and 0xFF).toString(16).padStart(2, '0') }