[NETD_BPF#8] Move BpfUtils.cpp to BpfUtils.h

Functions in BpfUtils.cpp are trivial, they can be static inlined
in BpfUtils.h.

Bug: 202086915
Test: m; flash; boot; cd system/netd && atest
Test: m gpuservice_unittest libtimeinstate_test bpf_module_test
      CtsAppOpsTestCases libmeminfo_test VtsBootconfigTest
      vts_test_binary_bpf_module
Change-Id: Ie1ece23b6fc9a4db5fc95930209a10da1e528cb5
3 files changed
tree: 168fbc0ca2bb90c2d49e784369b44424dc12cd6d
  1. bpfloader/
  2. libbpf_android/
  3. progs/
  4. Android.bp
  5. NOTICE
  6. OWNERS
  7. OWNERS_bpf
  8. PREUPLOAD.cfg