Annotate findAnnotation and IllegalPropertyDelegateAccessException with SinceKotlin(1.1)

(cherry picked from commit 5987e8a)

Author: udalov

core/reflection.jvm/src/kotlin/reflect/KAnnotatedElements.kt

@@ -21,6 +21,7 @@ package kotlin.reflect
  * Returns an annotation of the given type on this element.
  */
 @Deprecated("Use 'findAnnotation' from kotlin.reflect.full package", ReplaceWith("this.findAnnotation<T>()", "kotlin.reflect.full.findAnnotation"), level = DeprecationLevel.WARNING)
-@Suppress("UNCHECKED_CAST")
+@SinceKotlin("1.1")
 inline fun <reified T : Annotation> KAnnotatedElement.findAnnotation(): T? =
+        @Suppress("UNCHECKED_CAST")
         annotations.firstOrNull { it is T } as T?

core/reflection.jvm/src/kotlin/reflect/full/KAnnotatedElements.kt

@@ -22,6 +22,7 @@ import kotlin.reflect.*
 /**
  * Returns an annotation of the given type on this element.
  */
-@Suppress("UNCHECKED_CAST")
+@SinceKotlin("1.1")
 inline fun <reified T : Annotation> KAnnotatedElement.findAnnotation(): T? =
+        @Suppress("UNCHECKED_CAST")
         annotations.firstOrNull { it is T } as T?

core/reflection.jvm/src/kotlin/reflect/full/exceptions.kt

@@ -38,6 +38,7 @@ class IllegalCallableAccessException(cause: IllegalAccessException) : kotlin.ref
  * @see [kotlin.reflect.KProperty2.getDelegate]
  * @see [kotlin.reflect.jvm.isAccessible]
  */
+@SinceKotlin("1.1")
 class IllegalPropertyDelegateAccessException(cause: IllegalAccessException) : Exception(
         "Cannot obtain the delegate of a non-accessible property. Use \"isAccessible = true\" to make the property accessible",
         cause