mediaresourcemanager: add dumpsys support.

Bug: 20233206
Change-Id: Ic253985e408b05b488e87cd5c50c0d619ac568ef
diff --git a/services/mediaresourcemanager/test/ResourceManagerService_test.cpp b/services/mediaresourcemanager/test/ResourceManagerService_test.cpp
index 48d1395..bccc7fa 100644
--- a/services/mediaresourcemanager/test/ResourceManagerService_test.cpp
+++ b/services/mediaresourcemanager/test/ResourceManagerService_test.cpp
@@ -55,6 +55,10 @@
         return true;
     }
 
+    virtual String8 getName() {
+        return String8("test_client");
+    }
+
     bool reclaimed() const {
         return mReclaimed;
     }