8133671: langtools tests have bad license
Summary: Dropped classpath exception from copyright notice in tests.
Reviewed-by: jjg

8073201: Incorrect @bug annotation in checkin for JDK-8069545
Reviewed-by: mcimadamore
Contributed-by: srikanth.adayapalam@oracle.com

8069545: javac shouldn't check nested stuck lambdas during overload resolution
Summary: Nested lambdas should not be considered while overload resolution is in progress
Reviewed-by: mcimadamore
Contributed-by: vicente.romero@oracle.com, srikanth.adayapalam@oracle.com