Remove webrtc/test/channel_transport/include

Move the header file into webrtc/test/channel_transport instead.

BUG=webrtc:5095
TESTED=git cl try -c --bot=android_compile_rel --bot=linux_compile_rel --bot=win_compile_rel --bot=mac_compile_rel -m tryserver.webrtc --bot=ios_rel
R=henrika@webrtc.org, henrikg@webrtc.org

Review URL: https://codereview.webrtc.org/1431983006 .

Cr-Commit-Position: refs/heads/master@{#10595}
diff --git a/webrtc/test/test.gyp b/webrtc/test/test.gyp
index 0d251df..0af17f7 100644
--- a/webrtc/test/test.gyp
+++ b/webrtc/test/test.gyp
@@ -22,7 +22,7 @@
       ],
       'sources': [
         'channel_transport/channel_transport.cc',
-        'channel_transport/include/channel_transport.h',
+        'channel_transport/channel_transport.h',
         'channel_transport/traffic_control_win.cc',
         'channel_transport/traffic_control_win.h',
         'channel_transport/udp_socket_manager_posix.cc',