Merge "Skip enabling BTF on kernel older than 4.18" into main am: 1a0473bd72

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3549461

Change-Id: Ied1afe0a41aac92afedaf1942ff812375a307173
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>