Merge "dscpPolicyTest: make it actually test caching" into main am: 3e213ffa46

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3255782

Change-Id: I1577db305bae5ca75dceea2d535cfa26deb98f72
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>