Replace SDK definition to Build.VERSION_CODES am: 9d64d69b59

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/2141712

Change-Id: I5d1c6a659b8b9bea664d030ad803c6ad66c412a2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>