libbinder: switch sockaddr to byte array in RpcServer

A few methods in RpcServer.cpp take a sockaddr or
sockaddr_storage parameter. To support operating systems
without sockets, e.g. Trusty, this switches those
types to void* and std::array<uint8_t, 128>, respectively.

Test: atest binderRpcTest
Bug: 224644083
Change-Id: I9773a4cf0aedd5ebec22a10cea5b1593067632c5
diff --git a/libs/binder/libbinder_rpc_unstable.cpp b/libs/binder/libbinder_rpc_unstable.cpp
index bf2b25b..a3d42b7 100644
--- a/libs/binder/libbinder_rpc_unstable.cpp
+++ b/libs/binder/libbinder_rpc_unstable.cpp
@@ -38,10 +38,10 @@
                    << " error: " << statusToString(status).c_str();
         return false;
     }
-    server->setPerSessionRootObject([=](const sockaddr* addr, socklen_t addrlen) {
-        LOG_ALWAYS_FATAL_IF(addr->sa_family != AF_VSOCK, "address is not a vsock");
+    server->setPerSessionRootObject([=](const void* addr, size_t addrlen) {
         LOG_ALWAYS_FATAL_IF(addrlen < sizeof(sockaddr_vm), "sockaddr is truncated");
         const sockaddr_vm* vaddr = reinterpret_cast<const sockaddr_vm*>(addr);
+        LOG_ALWAYS_FATAL_IF(vaddr->svm_family != AF_VSOCK, "address is not a vsock");
         return AIBinder_toPlatformBinder(factory(vaddr->svm_cid, factoryContext));
     });