Increase the ping timeout from one second to five seconds.

Turns out, one second is not enough and on very busy machines, the server can be perfectly healthy and still take more than a second to answer.

When the port is not open, it will return quickly anyway.

--
MOS_MIGRATED_REVID=127537803

src/main/cpp/blaze.cc

diff --git a/src/main/cpp/blaze.cc b/src/main/cpp/blaze.cc
index 942bfb1..579a98a 100644
--- a/src/main/cpp/blaze.cc
+++ b/src/main/cpp/blaze.cc
@@ -1935,7 +1935,7 @@
 
   grpc::ClientContext context;
   context.set_deadline(
-      std::chrono::system_clock::now() + std::chrono::seconds(1));
+      std::chrono::system_clock::now() + std::chrono::seconds(5));
 
   command_server::PingRequest request;
   command_server::PingResponse response;