Do update signal icon for -1 level in AddAppNetworksFragment am: baf2ef0b...

Do update signal icon for -1 level in AddAppNetworksFragment am: baf2ef0b am: 6ca8dd1b am: 4cffe5c2

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/17511482



Change-Id: I6517dade5b9373191b768d0deaf77d03462adb2f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>