Update `SSL{Socket|ServerSocket|Engine}.getSSLParameters` javadoc with @implNote for SunJSSE reflecting how system properties affect the default values of the parameters. Particularly:
 - `signatureSchemes` and `namedGroups` can have either values defined by system properties or default values.
 - `enabledCipherSuites` is set based on sslContext being passed and it depends on a system property as well.

Investigate and document any other properties that depend on system and/or security properties.