[LSC] Add LOCAL_LICENSE_KINDS to system/netd

Added SPDX-license-identifier-Apache-2.0 to:
  Android.bp
  bpf_progs/Android.bp
  client/Android.bp
  libnetdbpf/Android.bp
  libnetdutils/Android.bp
  netutils_wrappers/Android.bp
  server/Android.bp
  tests/Android.bp
  tests/benchmarks/Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: Ie250cbab6e287585b945160cba4c2a764778ebc4