Fix misc-unused-using-decls clang-tidy warning am: a669de72d3 am: fe8b5592ae am: 28facfd00d

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2746183

Change-Id: I71b3b809f28819f341464710f29bc5e58f5efb95
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>