Merge "Maximize VCN MTU when using IPv6" am: 6d70c7f36a am: 8f8e80779a am: 30ac2c94d3

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2063435

Change-Id: I0de762eeadbb7218f1b41c18d2475b459c722a85
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>