Use hostname verifier directly instead of instance

Instead of local instance of the default HostnameVerifier, use it
directly from HttpsURLConnection. This avoids class preloading creating
an instance of it before it's necessary.

(cherry picked from commit 928ee1e4)

Bug: 9984058
Change-Id: I9017256b3b5d137aeb5a6f455868af7bdfec7885