Checkout missing SSLContextDefault from upstream and fix

[lutkerd]

Pulling the test from upstream prior to "8256660: Disable DTLS 1.0" and update to work with TLS1/1.0 enabled

$ make run-test TEST="test/jdk/sun/security/ssl/SSLContextImpl/SSLContextDefault.java"
Running test 'jtreg:test/jdk/sun/security/ssl/SSLContextImpl/SSLContextDefault.java'
Passed: sun/security/ssl/SSLContextImpl/SSLContextDefault.java
Test results: passed: 1
==============================
Test summary
==============================
   TEST                                              TOTAL  PASS  FAIL ERROR   
   jtreg:test/jdk/sun/security/ssl/SSLContextImpl/SSLContextDefault.java
                                                         1     1     0     0   
==============================
TEST SUCCESS