Remove getVpnLockdownUidRanges test api am: 9a9c11e33e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2381999

Change-Id: Ia9322cdd2b8f403d1fb252d3c96d3786558da91b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>