Nest some more namespaces

Did someone previously suggest that all namespace had been
nested?  Silly.

Signed-off-by: Stephan Pleines <pleines.stephan@gmail.com>
Change-Id: I22278c1caaeba8b47dc46fb2ed3078c20a11e190
diff --git a/aos/network/rawrtc.h b/aos/network/rawrtc.h
index 7908124..57153f0 100644
--- a/aos/network/rawrtc.h
+++ b/aos/network/rawrtc.h
@@ -13,8 +13,7 @@
 #include "flatbuffers/flatbuffers.h"
 #include "glog/logging.h"
 
-namespace aos {
-namespace web_proxy {
+namespace aos::web_proxy {
 
 // TODO(austin): This doesn't allow streaming data in.
 #define CHECK_RAWRTC(x)                                                     \
@@ -215,7 +214,6 @@
   std::function<void(std::shared_ptr<ScopedDataChannel>)> on_data_channel_;
 };
 
-}  // namespace web_proxy
-}  // namespace aos
+}  // namespace aos::web_proxy
 
 #endif  // AOS_NETWORK_RAWRTC_H_