Run testExcludedRoutesDisabled only in APKs with target SDK < T. am: 4685a553c2

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/18628191

Change-Id: Ie1eca900ffea67ac0ca41fe23dda9e64544da838
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>