Don't report array buffer allocations less than 1 Mb.

src/counters.h

Index: src/counters.h
diff --git a/src/counters.h b/src/counters.h
index b9b21f740afb4fda64ab7ce6fb3c60fae823a722..704e5858aa9ca87cc6bbd00b229d6ec6e7e73937 100644
--- a/src/counters.h
+++ b/src/counters.h
@@ -939,7 +939,8 @@ class RuntimeCallTimerScope {
      51)                                                                      \
   HR(wasm_functions_per_wasm_module, V8.WasmFunctionsPerModule.wasm, 1,       \
      100000, 51)                                                              \
-  HR(array_buffer_big_allocations, V8.ArrayBufferBigAllocations, 0, 4096, 13) \
+  HR(array_buffer_big_allocations, V8.ArrayBufferLargeAllocations, 0, 4096,   \
+     13)                                                                      \
   HR(array_buffer_new_size_failures, V8.ArrayBufferNewSizeFailures, 0, 4096, 13)
 
 #define HISTOGRAM_TIMER_LIST(HT)                                               \