Allow certificate inspections after connect.

We don't have to wait for the request to be sent
before allowing inspection of SSL certs. They can be
inspected as soon as the connection is established.

Fixes CTS test UrlConnectionTest#testInspectSslAfterConnect

(Cherry picked from 415f345d)

bug: 10211309

Change-Id: I0bbbc9d394f59df2f86aa35cd368339384770387