Merge "Add support for RAT-based TCP buffer sizes" am: 301fddda9d am: 50f6b2138a

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

Change-Id: I4093037c864b40b424bfe1de02301d296043663d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>