Load additional JDK functions into built-ins member scope

#KT-5990 Fixed
 #KT-7127 Fixed
 #KT-10370 Fixed

idea/testData/multiModuleHighlighting/differentJdk/jdk8/main.kt

@@ -0,0 +1,13 @@
+package foo
+
+fun mainJdk8(x: List<String>, j6List: Jdk6List<String>) {
+    x.stream().filter { it.length > 0 }
+
+    j6List.size
+    // TODO: stream should be available
+    j6List.stream()
+
+    buildList().stream()
+
+    myFile().toPath()
+}