Remove getVpnLockdownUidRanges test api am: 9a9c11e33e

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

Change-Id: I6df70257f86358b99cb882c9385df6e26c8b77c8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>