Merge "Add support for RAT-based TCP buffer sizes" am: 301fddda9d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2048184

Change-Id: Id59b4bd63fac7f55f3a53fc449c3eb431a1b0682
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>