Bug 1506076 - Mark video android decoder as needing AnnexB. r=jolin,alwu

It only used to work as the H264Converter used to check that the conversion needed was != kNeedAVCC (the default being kNone)

Differential Revision: https://phabricator.services.mozilla.com/D11526

--HG--
extra : moz-landing-system : lando

dom/media/platforms/android/RemoteDataDecoder.cpp

@@ -279,6 +279,11 @@ public:
     return mIsHardwareAccelerated;
   }
 
+  ConversionRequired NeedsConversion() const override
+  {
+    return ConversionRequired::kNeedAnnexB;
+  }
+
 private:
   const VideoInfo mConfig;
   GeckoSurface::GlobalRef mSurface;
@@ -339,11 +344,6 @@ public:
     return InitPromise::CreateAndResolve(TrackInfo::kAudioTrack, __func__);
   }
 
-  ConversionRequired NeedsConversion() const override
-  {
-    return ConversionRequired::kNeedAnnexB;
-  }
-
 private:
   class CallbacksSupport final : public JavaCallbacksSupport
   {