Handle any InitDecode() failure in VideoDecoderSoftwareFallbackWrapper

Bug: webrtc:8484
Change-Id: Ia023b77dea54c1d0b54cea6f29b78653acafcaeb
Reviewed-on: https://webrtc-review.googlesource.com/17641
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Commit-Queue: Emircan Uysaler <emircan@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20553}
diff --git a/media/engine/videodecodersoftwarefallbackwrapper.cc b/media/engine/videodecodersoftwarefallbackwrapper.cc
index 4436111..9d6274d 100644
--- a/media/engine/videodecodersoftwarefallbackwrapper.cc
+++ b/media/engine/videodecodersoftwarefallbackwrapper.cc
@@ -38,8 +38,8 @@
   codec_settings_ = *codec_settings;
   number_of_cores_ = number_of_cores;
   int32_t ret = decoder_->InitDecode(codec_settings, number_of_cores);
-  if (ret != WEBRTC_VIDEO_CODEC_FALLBACK_SOFTWARE) {
-    decoder_initialized_ = (ret == WEBRTC_VIDEO_CODEC_OK);
+  if (ret == WEBRTC_VIDEO_CODEC_OK) {
+    decoder_initialized_ = true;
     return ret;
   }
   decoder_initialized_ = false;