Squashed 'third_party/rawrtc/rawrtc-common/' content from commit aff7a3a3b

Change-Id: I2cb019410e8d0e1e0bf814577b0ef83aeb32c7fd
git-subtree-dir: third_party/rawrtc/rawrtc-common
git-subtree-split: aff7a3a3b9bbf49f7d2fc8b123edd301825b3e1c
diff --git a/src/meson.build b/src/meson.build
new file mode 100644
index 0000000..15aec96
--- /dev/null
+++ b/src/meson.build
@@ -0,0 +1,4 @@
+sources = []
+
+subdir('message_buffer')
+subdir('utils')