Revert of Convert android to use X509CertificateBytes instead of X509CertificateOpenSSL. (patchset #9 id:160001 of https://codereview.chromium.org/2786173003/ )

Reason for revert:
Suspect causing ERR_SSL_SERVER_CERT_BAD_FORMAT error on perf tests.

Original issue's description:
> Convert android to use X509CertificateBytes instead of X509CertificateOpenSSL.
>
> BUG=671420
>
> Review-Url: https://codereview.chromium.org/2786173003
> Cr-Commit-Position: refs/heads/master@{#464262}
> Committed: https://chromium.googlesource.com/chromium/src/+/0704d236ee706ffb29fc22fd90f99537e7f15673

TBR=davidben@chromium.org,mattm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=671420

Review-Url: https://codereview.chromium.org/2817053003
Cr-Commit-Position: refs/heads/master@{#464715}
5 files changed