8164982: Fix legal notices in java/lang, java/net, java/util tests.
Reviewed-by: darcy, iris

8029891: Deadlock detected in java/lang/ClassLoader/deadlock/GetResource.java
Summary: Properties now stores values in an internal ConcurrentHashMap
Reviewed-by: mchung, dholmes, plevart

6977738: Deadlock between java.lang.ClassLoader and java.util.Properties
Reviewed-by: alanb, sherman, darcy, igor