Merge "Remove Settings.Global.TCP_DEFAULT_INIT_RWND on CS" am: 86203dde89 am: a7153b1fe8 am: 5e087c80d3

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1635043

Change-Id: I2a83ab615ae2b40304a65f7ea8e40c6a93fc122a