8076543: Add @modules as needed to the langtools tests
Reviewed-by: jjg, shurailine

8005282: Use @library tag with non-relative path for javac tests
Reviewed-by: jjg

7025809: Provided new utility visitors supporting SourceVersion.RELEASE_8
Reviewed-by: jjg, mcimadamore

6961571: Update visitors to support ARM's ElementKind.RESOURCE_VARIABLE
Reviewed-by: jjg

6983738: Use a JavacTestingAbstractProcessor
Reviewed-by: jjg

6967842: Element not returned from tree API for ARM resource variables.
Reviewed-by: jjg, darcy

6911256: Project Coin: Support Automatic Resource Management (ARM) blocks in the compiler
6964740: Project Coin: More tests for ARM compiler changes
6965277: Project Coin: Correctness issues in ARM implementation
6967065: add -Xlint warning category for Automatic Resource Management (ARM)
Reviewed-by: jjb, darcy, mcimadamore, jjg, briangoetz
Contributed-by: tball@google.com