Merge "drop support for pre-4.14 kernels" am: ae30d8c052 am: 6b9cc95315

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2097422

Change-Id: I568f3db0620d7ead248f869fc8b733c395383ad6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>