create future replacement

Author: DellaBitta

admob/src/android/interstitial_ad_internal_android.cc

@@ -101,7 +101,7 @@ Future<LoadAdResult> InterstitialAdInternalAndroid::LoadAd(
 
   if (!initialized_) {
     SafeFutureHandle<LoadAdResult> handle =
-        CreateFuture<LoadAdResult>(kInterstitialAdFnLoadAd, &future_data_);
+      future_data_.future_impl.SafeAlloc<LoadAdResult>(kInterstitialAdFnLoadAd, LoadAdResult());
     CompleteFuture(kAdMobErrorUninitialized, kAdUninitializedErrorMessage,
                    handle, &future_data_, LoadAdResult());
     return MakeFuture(&future_data_.future_impl, handle);