Add pathlib2

Backport of pathlib library, which makes filename and path operations
more convenient.

BUG=chromium:706664
TEST=None

Change-Id: I12fe420bec6a236f33ea59be7507254bc62193e5
diff --git a/pip_packages/pathlib2-2.2.1-py2.py3-none-any.whl b/pip_packages/pathlib2-2.2.1-py2.py3-none-any.whl
new file mode 100644
index 0000000..1b05a49
--- /dev/null
+++ b/pip_packages/pathlib2-2.2.1-py2.py3-none-any.whl
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diff --git a/pip_packages/scandir-1.5-cp27-none-linux_x86_64.whl b/pip_packages/scandir-1.5-cp27-none-linux_x86_64.whl
new file mode 100644
index 0000000..3a2df92
--- /dev/null
+++ b/pip_packages/scandir-1.5-cp27-none-linux_x86_64.whl
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