Add version requirements for declarations with !! types

^KT-26245 Related

compiler/testData/versionRequirement/definitelyNotNull.kt

@@ -0,0 +1,33 @@
+package test
+
+interface A<T> {
+    fun foo(x: T!!)
+
+    val w: T!!
+}
+
+class B<X>(r: X!!)
+
+fun <K> inside() {
+    object : A<K> {
+        override fun foo(x: K!!) {
+        }
+
+        override val w: K!!
+            get() = TODO("")
+    }
+}
+
+fun <F> bar1(x: F!!) {}
+fun <F> bar2(x: F) = x!!
+
+val <E> E.nn: E!! get() = this!!
+
+class Outer {
+    abstract class R1<T, F : T!!> : A<T!!>
+    abstract class R2<T, F : T!!> : A<T>
+
+    abstract class W<T> : A<T>
+}
+
+typealias Alias<R> = A<R!!>