8155775: Re-examine naming of privileged methods to access System properties
Reviewed-by: mullan

8154231: Simplify access to System properties from JDK code
Reviewed-by: rriggs, chegar, weijun

8140364: JEP 264 Platform Logger API and Service Implementation
Summary: Initial implementation for JEP 264 Platform Logger API and Service
Reviewed-by: mchung, psandoz, rriggs