Merge "Skip all of NetworkAgentTest in instant mode." am: ae6302156d am: 76de0b4fb1 am: ffb15f184e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2599967

Change-Id: Ic538ded03c67b8edb6208039f5763834ffe5d925
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>