[automerger skipped] Merge "Add config to use lower of IPv4/IPv6 MTU values" am: f29902285a am: 5d8f4ce92a am: c6fce99ab5 am: 9a11a4c5a3 -s ours

am skip reason: Change-Id Ic0afdfabec3a13a4a1d3fd34e7e02d4df3a06ea5 with SHA-1 dc7260ad33 is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1401805

Change-Id: If513efdfcc7b701eb41492750bfb0ec82d75d789