(4) Rename files to snake_case: update BUILD.gn, include paths, header guards, and DEPS entries

Mechanically generated by running this command:

tools_webrtc/do-renames.sh update all-renames.txt && git cl format

Then manually updating:

tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc

Bug: webrtc:10159
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: I54824cd91dada8fc3ee3d098f971bc319d477833
Reviewed-on: https://webrtc-review.googlesource.com/c/115653
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26226}
diff --git a/audio/channel_receive.h b/audio/channel_receive.h
index 2c45a8f..d93ddad 100644
--- a/audio/channel_receive.h
+++ b/audio/channel_receive.h
@@ -21,9 +21,9 @@
 #include "api/audio_codecs/audio_decoder_factory.h"
 #include "api/call/audio_sink.h"
 #include "api/call/transport.h"
-#include "api/crypto/cryptooptions.h"
+#include "api/crypto/crypto_options.h"
 #include "api/media_transport_interface.h"
-#include "api/rtpreceiverinterface.h"
+#include "api/rtp_receiver_interface.h"
 #include "call/rtp_packet_sink_interface.h"
 #include "call/syncable.h"
 #include "modules/audio_coding/include/audio_coding_module.h"