[Thread] avoid re-setting the infra link state when the state doesn't change am: 0435210627

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3341766

Change-Id: I8b36567892fe28f486cbe72cbaa083054866334c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>