8026721: Enhance Lambda serialization Reviewed-by: jjg, briangoetz

8167461: jshell tool: Scanner#next() hangs tool Summary: PipeInputStream.read(byte[]...) should only read available bytes; properly resending exceptions for snippet's System.in and properly closing it; more reliable way to cancel user input while waiting in System.in. Reviewed-by: rfield

Added tag jdk-9+141 for changeset e8f487b79e24

Merge