binder_rpc_session: wait longer to shutdown

This was accidentally before not waiting for uninitialized sessions
to shutdown.

Bug: 199324691
Test: binder_rpc_fuzzer
Change-Id: I660866149d0cb0d1c84290e4bbe7de86c1500f51
diff --git a/libs/binder/tests/rpc_fuzzer/main.cpp b/libs/binder/tests/rpc_fuzzer/main.cpp
index 230f5c7..1ab97c6 100644
--- a/libs/binder/tests/rpc_fuzzer/main.cpp
+++ b/libs/binder/tests/rpc_fuzzer/main.cpp
@@ -101,7 +101,7 @@
 
     if (hangupBeforeShutdown) {
         connections.clear();
-        while (!server->listSessions().empty() && server->numUninitializedSessions()) {
+        while (!server->listSessions().empty() || server->numUninitializedSessions()) {
             // wait for all threads to finish processing existing information
             usleep(1);
         }