libbinder: clarify ServiceManager.cpp logs

These come from the service manager client.

Bug: 246336344
Test: N/A
Change-Id: I30867abbdcb2dc0f71be3e8815756ea573cefc91
diff --git a/libs/binder/IServiceManager.cpp b/libs/binder/IServiceManager.cpp
index c0a8d74..5db3eef 100644
--- a/libs/binder/IServiceManager.cpp
+++ b/libs/binder/IServiceManager.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "ServiceManager"
+#define LOG_TAG "ServiceManagerCppClient"
 
 #include <binder/IServiceManager.h>