Merge "RpcServer::establishConnection: make static" am: bb2cca75ef am: 3f3559a5eb am: fea16bdb21 am: 7f78009ab6

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1712598

Change-Id: I31159fe86f7648cf080ec9b64705afbcf5798d94