gralloc: name codec buffer at allocation time

Gralloc 4 requires clients name their buffers for debugging purposes.

Bug: 144026910
Test: compiles
Change-Id: I1661b9dbe2a3b554073383d7b2b8f71acc8707f1
diff --git a/media/codec2/vndk/C2AllocatorGralloc.cpp b/media/codec2/vndk/C2AllocatorGralloc.cpp
index 3a715b1..d6bf101 100644
--- a/media/codec2/vndk/C2AllocatorGralloc.cpp
+++ b/media/codec2/vndk/C2AllocatorGralloc.cpp
@@ -1232,6 +1232,7 @@
     } else {
         BufferDescriptorInfo4 info = {
             {
+                "C2GrallocAllocation",
                 width,
                 height,
                 1u,  // layerCount