Eliminate third_party/mojo/src from all targets' include paths

third_party/mojo/src/mojo/edk/system/channel_manager.h

Index: third_party/mojo/src/mojo/edk/system/channel_manager.h
diff --git a/third_party/mojo/src/mojo/edk/system/channel_manager.h b/third_party/mojo/src/mojo/edk/system/channel_manager.h
index 360996f7f352d936c2c639d460a8f4868a684db3..12590436bf10c24b0d7f98db5816b60c826a2a0b 100644
--- a/third_party/mojo/src/mojo/edk/system/channel_manager.h
+++ b/third_party/mojo/src/mojo/edk/system/channel_manager.h
@@ -11,10 +11,10 @@
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
-#include "mojo/public/cpp/system/macros.h"
 #include "third_party/mojo/src/mojo/edk/embedder/scoped_platform_handle.h"
 #include "third_party/mojo/src/mojo/edk/system/channel_id.h"
 #include "third_party/mojo/src/mojo/edk/system/mutex.h"
+#include "third_party/mojo/src/mojo/public/cpp/system/macros.h"
 
 namespace base {
 class TaskRunner;