Add a GN target to build the USB gadget Python package.
This GN target matches tools/usb_gadget/usb_gadget.gyp:usb_gadget.
BUG=None
Review URL: https://codereview.chromium.org/1671513002
Cr-Commit-Position: refs/heads/master@{#373628}
diff --git a/device/BUILD.gn b/device/BUILD.gn
index d72dd6f..194dabf 100644
--- a/device/BUILD.gn
+++ b/device/BUILD.gn
@@ -63,6 +63,7 @@
"//testing/gmock",
"//testing/gtest",
"//third_party/mojo/src/mojo/edk/system",
+ "//tools/usb_gadget",
"//url",
]