Merge "Dynamically calculate IKEv2/IPsec VPN MTU" am: 0cadebbc28 am: 7a6ea59f37

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2219661

Change-Id: I46a07ca08e85a37a820708a9e24daaf4300abf37
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>