Merge "Expose VpnTransportInfo as module-lib API." am: 30f9755ffc am: 73d58fb722

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1585572

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I5c86cd1089bd4fe406fadf2e0ab6609558ed8510