Revert "Move default Hermes GC config from ReactAndroid to ReactCommon"

This reverts commit d009c5a.

ReactAndroid/src/main/java/com/facebook/hermes/reactexecutor/OnLoad.cpp

@@ -6,7 +6,6 @@
  */
 
 #include <../instrumentation/HermesMemoryDumper.h>
-#include <DefaultHermesGCConfigBuilder-inl.h>
 #include <HermesExecutorFactory.h>
 #include <android/log.h>
 #include <fbjni/fbjni.h>
@@ -32,8 +31,22 @@ static void hermesFatalHandler(const std::string &reason) {
 static std::once_flag flag;
 
 static ::hermes::vm::RuntimeConfig makeRuntimeConfig(jlong heapSizeMB) {
-  return ::hermes::vm::RuntimeConfig::Builder()
-      .withGCConfig(defaultHermesGCConfigBuilder(heapSizeMB).build())
+  namespace vm = ::hermes::vm;
+  auto gcConfigBuilder =
+      vm::GCConfig::Builder()
+          .withName("RN")
+          // For the next two arguments: avoid GC before TTI by initializing the
+          // runtime to allocate directly in the old generation, but revert to
+          // normal operation when we reach the (first) TTI point.
+          .withAllocInYoung(false)
+          .withRevertToYGAtTTI(true);
+
+  if (heapSizeMB > 0) {
+    gcConfigBuilder.withMaxHeapSize(heapSizeMB << 20);
+  }
+
+  return vm::RuntimeConfig::Builder()
+      .withGCConfig(gcConfigBuilder.build())
       .build();
 }