binder: setRpcClientDebug copy # threads from kernel binder.

setRpcClientDebug() now calls RpcServer::setMaxThreads
with getThreadPoolMaxThreadCount(). This is the number
of threads allowed per RpcSession.

Test: binderLibTest
Bug: 190435077
Change-Id: Ib9d2772a5b93947408da1372b91eefcd7128469c
diff --git a/libs/binder/Binder.cpp b/libs/binder/Binder.cpp
index 65d2079..194be21 100644
--- a/libs/binder/Binder.cpp
+++ b/libs/binder/Binder.cpp
@@ -491,6 +491,7 @@
     // Weak ref to avoid circular dependency: BBinder -> RpcServer -X-> BBinder
     e->mRpcServer->setRootObjectWeak(wp<BBinder>::fromExisting(this));
     e->mRpcServer->setupExternalServer(std::move(socketFd));
+    e->mRpcServer->setMaxThreads(binderThreadPoolMaxCount);
     e->mRpcServer->start();
     LOG_RPC_DETAIL("%s(fd=%d) successful", __PRETTY_FUNCTION__, socketFdForPrint);
     return OK;