dscpPolicy: verifier optimizations (once more) am: 116d17a0cf am: 2a345754b0

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3238017

Change-Id: I7ea3d74571d6d8d7dddaf824f4aa895367ae7638
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>