Can't use `java.util.List` object after importing `java.awt.List`

This bug was reported in kulla-dev list by Naoki Kishida

See also: https://mail.openjdk.java.net/pipermail/kulla-dev/2020-February/002482.html

$ jshell
| Welcome to JShell -- Version 14
| For an introduction type: /help intro

jshell> var a = List.of("aa")
a ==> [aa]

jshell> a
a ==> [aa]

jshell> import java.awt.List

jshell> a
| Error:
| cannot find symbol
| symbol: variable a
| a
| ^

jshell> var b = java.util.List.of("bb")
| Error:
| type java.awt.List does not take parameters
| var b = java.util.List.of("bb");
| ^----------^