binder: RpcSession::*MaxThreads -> *MaxIncomingThreads

We'll add a separate number for outgoing threads

Bug: 194225767
Test: pass

Change-Id: I7bf178c098adc6359582792a2f1ca1248a336b9f
diff --git a/libs/binder/RpcServer.cpp b/libs/binder/RpcServer.cpp
index 44b588b..967b8e3 100644
--- a/libs/binder/RpcServer.cpp
+++ b/libs/binder/RpcServer.cpp
@@ -381,7 +381,7 @@
             } while (server->mSessions.end() != server->mSessions.find(sessionId));
 
             session = RpcSession::make();
-            session->setMaxThreads(server->mMaxThreads);
+            session->setMaxIncomingThreads(server->mMaxThreads);
             if (!session->setProtocolVersion(protocolVersion)) return;
             if (!session->setForServer(server,
                                        sp<RpcServer::EventListener>::fromExisting(