resourcemanager: protect resources from concurrent access

Since getClient access resources (map), make sure its protected
from the concurrent access.

Bug: 289097671
Test: atest android.media.misc.cts.ResourceManagerTest
      atest android.media.misc.cts.ResourceManagerMultiTest
      /data/nativetest64/ResourceManagerService_test/ResourceManagerService_test
      /data/nativetest64/ResourceObserverService_test/ResourceObserverService_test
Change-Id: Ica03c3dc45b97502414c76c10057acc9c9b0c03d
diff --git a/services/mediaresourcemanager/ResourceManagerServiceNew.cpp b/services/mediaresourcemanager/ResourceManagerServiceNew.cpp
index e6818cf..af093ca 100644
--- a/services/mediaresourcemanager/ResourceManagerServiceNew.cpp
+++ b/services/mediaresourcemanager/ResourceManagerServiceNew.cpp
@@ -356,12 +356,12 @@
     return true;
 }
 
-std::shared_ptr<IResourceManagerClient> ResourceManagerServiceNew::getClient(
+std::shared_ptr<IResourceManagerClient> ResourceManagerServiceNew::getClient_l(
         int pid, const int64_t& clientId) const {
     return mResourceTracker->getClient(pid, clientId);
 }
 
-bool ResourceManagerServiceNew::removeClient(int pid, const int64_t& clientId) {
+bool ResourceManagerServiceNew::removeClient_l(int pid, const int64_t& clientId) {
     return mResourceTracker->removeClient(pid, clientId);
 }