Merge "Create a new string to alert unsupported vpn start." into main am:...

Merge "Create a new string to alert unsupported vpn start." into main am: 3c569b53 am: 42ad676a am: b7ba4be4

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/2831551



Change-Id: Ib74982008d3e123b00cf235f39f1b2d8f182c585
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>