Use SharedRefBase::make to allocate.

SharedRefBase now encapsulates heap allocation in order to guard against
some types of double-ownership.

Bug: 149249948
Test: TH
Change-Id: Ida943c895225331a853e4c8da54454d60b17000a
diff --git a/drm/libmediadrm/DrmHal.cpp b/drm/libmediadrm/DrmHal.cpp
index 5b32a04..f218041 100644
--- a/drm/libmediadrm/DrmHal.cpp
+++ b/drm/libmediadrm/DrmHal.cpp
@@ -713,7 +713,8 @@
     } while (retry);
 
     if (err == OK) {
-        std::shared_ptr<DrmSessionClient> client(new DrmSessionClient(this, sessionId));
+        std::shared_ptr<DrmSessionClient> client =
+                ndk::SharedRefBase::make<DrmSessionClient>(this, sessionId);
         DrmSessionManager::Instance()->addSession(AIBinder_getCallingPid(),
                 std::static_pointer_cast<IResourceManagerClient>(client), sessionId);
         mOpenSessions.push_back(client);