Create CtsNetTestCasesMaxTargetSdk31. am: ec895ea9fb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/18628190

Change-Id: Id3d4fea30734c8cea64ef9490421a7b78d41ab82
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>