fix build to include json headers, so ipc/api.h can used

Author: BryanCutler

third_party/arrow.BUILD

@@ -40,7 +40,7 @@ cc_library(
         "cpp/src/arrow/util/compression_zstd.*",
         "cpp/src/arrow/util/compression_lz4.*",
         "cpp/src/arrow/util/compression_brotli.*",
-        "cpp/src/arrow/ipc/json*",
+        "cpp/src/arrow/ipc/json*.cc",
         "cpp/src/arrow/ipc/stream-to-file.cc",
         "cpp/src/arrow/ipc/file-to-stream.cc",
     ]) + [