Inner types like "java.util.Map.Entry" contain a "$" in their binary
name "java.util.Map$Entry"

Change-Id: I14afe1625f95e659312ddcb31e5b3a5d056e57c2
Reviewed-on: https://git.eclipse.org/r/c/jdt/eclipse.jdt.core/+/186302
Tested-by: JDT Bot <jdt-bot@eclipse.org>
Reviewed-by: Gayan Perera <gayanper@gmail.com>