Merge "Add methods to provide clat v4 source address" am: be2f4047fe

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2643474

Change-Id: Idb520507ba6ebf1df27fd6102f8f0d06ec71d6a2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>