Fix: VPN is off but key is displayed in the status bar am: eeaf8557

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23909322



Change-Id: I4e90bab9d200adbb44f7bce41e3cfbf09c4b6bb8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>