frameworks/native: Make Thread::run threadName argument required

Bug: 27557176
Change-Id: I009046d04cc127ee280c7b2038c04fab540fc5e6
diff --git a/opengl/libs/EGL/egl_cache.cpp b/opengl/libs/EGL/egl_cache.cpp
index f368d75..8c135c8 100644
--- a/opengl/libs/EGL/egl_cache.cpp
+++ b/opengl/libs/EGL/egl_cache.cpp
@@ -165,7 +165,7 @@
             // running, so there's no need to keep a ref around.
             sp<Thread> deferredSaveThread(new DeferredSaveThread());
             mSavePending = true;
-            deferredSaveThread->run();
+            deferredSaveThread->run("DeferredSaveThread");
         }
     }
 }