This patch modifies StunMessage to allow adding of attributes
in the 0x4000-0x7FFF range without adding them to stun.cc.
Before this patch this was allowed in the 0xC000-0xFFFF range
but the RFC specifies that both of these ranges are implementation
defined.
BUG=webrtc:8313
Change-Id: Ib74f5d02a06807aeca4fc3f1f3028271e233f004
Reviewed-on: https://webrtc-review.googlesource.com/64404
Commit-Queue: Jonas Oreland <jonaso@webrtc.org>
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22619}
16ccef7f11