Dynamically enable packet coalescing by channel args
diff --git a/BUILD b/BUILD
index 5419251..e5c2d20 100644
--- a/BUILD
+++ b/BUILD
@@ -1028,6 +1028,7 @@
     ],
     hdrs = [
         "third_party/Cronet/bidirectional_stream_c.h",
+        "src/core/ext/transport/cronet/transport/cronet_transport.h",
     ],
     language = "c",
     public_hdrs = [