infra_virtualenv: add new packages to infra virtualenv

BUG=chromium:834091
TEST=None

Change-Id: I2f1bd714acd9146ee75fedecc591f394f820385b
Reviewed-on: https://chromium-review.googlesource.com/1023067
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Shuqian Zhao <shuqianz@chromium.org>
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
diff --git a/pip_packages/protobuf_to_dict-0.1.0-py2-none-any.whl b/pip_packages/protobuf_to_dict-0.1.0-py2-none-any.whl
new file mode 100644
index 0000000..d330164
--- /dev/null
+++ b/pip_packages/protobuf_to_dict-0.1.0-py2-none-any.whl
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