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

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

Change-Id: I084ad4688fce32d63ea7a7d4ef660c18f2e875e1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>