Only append SPS/PPS to bitstream if supplied out of band.

Only append SPS/PPS to bitstream if supplied out of band.

BUG=chromium:721597
R=holmer@google.com, stefan@webrtc.org

Review-Url: https://codereview.webrtc.org/2945853002
Cr-Original-Commit-Position: refs/heads/master@{#18701}
Review-Url: https://codereview.webrtc.org/2969863002 .
Cr-Commit-Position: refs/branch-heads/60@{#6}
Cr-Branched-From: c61bf947b4ac31f3500858ffcae6fee39d799930-refs/heads/master@{#18252}
Committed: https://chromium.googlesource.com/external/webrtc/+/5bcbe1f6c496cf1d1f9dcc3a1c39ac0f302f17ed

[philipel, 2017-07-03 09:44:18]

philipel@webrtc.org changed reviewers:
+ stefan@webrtc.org

[philipel, 2017-07-03 09:44:19]

Merge to M60, PTAL.

[holmer, 2017-07-03 09:45:47]

holmer@google.com changed reviewers:
+ holmer@google.com

[holmer, 2017-07-03 09:45:48]

lgtm

[stefan-webrtc, 2017-07-03 13:09:58]

lgtm

[philipel, 2017-07-03 13:10:23]

Description was changed from

==========
Only append SPS/PPS to bitstream if supplied out of band.

BUG=chromium:721597

Review-Url: https://codereview.webrtc.org/2945853002
Cr-Commit-Position: refs/heads/master@{#18701}
(cherry picked from commit 83c97da5931956ae8596d2efcfdea282fdc86d2d)
==========

to

==========
Only append SPS/PPS to bitstream if supplied out of band.

BUG=chromium:721597
R=holmer@google.com, stefan@webrtc.org

Review-Url: https://codereview.webrtc.org/2945853002
Cr-Original-Commit-Position: refs/heads/master@{#18701}
Review-Url: https://codereview.webrtc.org/2969863002 .
Cr-Commit-Position: refs/branch-heads/60@{#6}
Cr-Branched-From:
c61bf947b4ac31f3500858ffcae6fee39d799930-refs/heads/master@{#18252}
Committed:
https://chromium.googlesource.com/external/webrtc/+/5bcbe1f6c496cf1d1f9dcc3a1...
==========

[philipel, 2017-07-03 13:10:24]

Committed patchset #1 (id:1) manually as
5bcbe1f6c496cf1d1f9dcc3a1c39ac0f302f17ed (presubmit successful).