Make gBn/sConstructorMap concurrent.

Test: builds
Test: hidl_test

Bug: 35041785
Change-Id: I60099ddd56fee1faec7e54245d0fa3ccae6e777a
diff --git a/transport/Static.cpp b/transport/Static.cpp
index 4a140e5..d5b335e 100644
--- a/transport/Static.cpp
+++ b/transport/Static.cpp
@@ -25,10 +25,10 @@
 Mutex gDefaultServiceManagerLock;
 sp<android::hidl::manager::V1_0::IServiceManager> gDefaultServiceManager;
 
-std::map<std::string, std::function<sp<IBinder>(void *)>>
+ConcurrentMap<std::string, std::function<sp<IBinder>(void *)>>
         gBnConstructorMap{};
 
-std::map<std::string, std::function<sp<::android::hidl::base::V1_0::IBase>(void *)>>
+ConcurrentMap<std::string, std::function<sp<::android::hidl::base::V1_0::IBase>(void *)>>
         gBsConstructorMap;
 
 }   // namespace hardware