Add requestor name to GraphicBuffer alloc metadata

Adds a requestor name (usually the BufferQueue consumer's name) to the
metadata that GraphicBufferAllocator stores on allocation so that
`dumpsys SurfaceFlinger` can attempt to attribute buffer usage to the
correct client.

Bug: 30776557
Change-Id: I6e0f346584c871bb3b9d5481f82b697b0475a916
diff --git a/include/gui/GraphicBufferAlloc.h b/include/gui/GraphicBufferAlloc.h
index 69fe51e..62e3877 100644
--- a/include/gui/GraphicBufferAlloc.h
+++ b/include/gui/GraphicBufferAlloc.h
@@ -35,7 +35,7 @@
     virtual ~GraphicBufferAlloc();
     virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t width,
             uint32_t height, PixelFormat format, uint32_t usage,
-            status_t* error);
+            std::string requestorName, status_t* error) override;
 };