Merge "Generate static-syms.h at build time." am: 494234160c am: 204573a093 am: b3abef6f6e am: b5fda916c6 am: 9c90a9fde9

Original change: https://android-review.googlesource.com/c/platform/external/iproute2/+/2468220

Change-Id: I73d61e8bf11ab0ebe796190e6d1e7643178e1d2f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>