Run testExcludedRoutesDisabled only in APKs with target SDK < T. am: 4685a553c2 am: ab129dc739

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

Change-Id: I35850f64c97dbf9457001ab2b0ec97e643a825ee
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>