8165687: Fix license and copyright headers in jd9 under hotspot/test
Summary: Legal notices and Oracle copyrights were updated (white and blank space, commas) in tests files for uniformity to meet Oracle requirements.
Reviewed-by: dholmes, iris
Contributed-by: Stanislav Smirnov <stanislav.smirnov@oracle.com>, Vassili Igouchkine <vassili.igouchkine@oracle.com>

8042041: https://bugs.openjdk.java.net/browse/JDK-8042041
Summary: Don't assert if class has a bad element_tag in an element_value structure of a RuntimeVisibleAnnotation attribute. Instead, ignore the attribute.
Reviewed-by: acorn, gtriantafill