Log only 1 line per process when using OpenGLRenderer.

Change-Id: Idbdd6b84f31301e58ed53e0d50fd61fece192dfa
diff --git a/libs/hwui/Caches.h b/libs/hwui/Caches.h
index aa0ceb7..24585d5 100644
--- a/libs/hwui/Caches.h
+++ b/libs/hwui/Caches.h
@@ -69,7 +69,7 @@
 
 struct CacheLogger {
     CacheLogger() {
-        LOGD("Creating caches");
+        LOGD("Creating OpenGL renderer caches");
     }
 }; // struct CacheLogger