Merge "Stop checking in generated files." am: b57891f017 am: f33cc0bb35 am: 57856ed50e am: 7b00f3b496 am: cba86bfba9

Original change: https://android-review.googlesource.com/c/platform/external/iproute2/+/2465351

Change-Id: I364e5b0c645d9413256b927243c43631b1ba16d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>