Merge "get rid of needless use of NONEXISTENT_COOKIE which is simply 0" am: 74742cca73

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2452565

Change-Id: I47f7748cc5b767ae88464fd51753e858428529d9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>