7196163: Project Coin: Allow effectively final variables to be used as resources in try-with-resources
Summary: Allowing final variables as operands to try-with-resources; also reviewed by Sergei Pikalev.
Reviewed-by: darcy, mcimadamore, vromero

8025113: Convert 7 tools TryWithResources tests to jtreg format
Reviewed-by: darcy, jjg