SF: Identify layers with buffers when dumping offscreen list

Test: adb shell su root dumpsys SurfaceFlinger
Bug: 238781169
Change-Id: I6b1d051fedc5883df814fe5edc8aaa766cbd06f8
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index f743896..bab721f 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -634,7 +634,7 @@
 
     void miniDump(std::string& result, const DisplayDevice&) const;
     void dumpFrameStats(std::string& result) const;
-    void dumpCallingUidPid(std::string& result) const;
+    void dumpOffscreenDebugInfo(std::string& result) const;
     void clearFrameStats();
     void logFrameStats();
     void getFrameStats(FrameStats* outStats) const;