Revert hardcoding of cgroup path. am: 4407735953 am: 27f6b42bfa am: 51dd716a1d

Original change: https://android-review.googlesource.com/c/platform/system/netd/+/1479738

Change-Id: If1214626cbb04f8089cee94cb179a127df99966b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
tree: b1c7d6dadeea3f23bc9a8d20d46d5daaa4732cda
  1. client/
  2. include/
  3. netutils_wrappers/
  4. server/
  5. tests/
  6. .editorconfig
  7. Android.bp
  8. NOTICE
  9. OWNERS
  10. PREUPLOAD.cfg
  11. TEST_MAPPING