Bug 1544703 - Enable WebRenderTextureHostWrapper usage for SurfaceTextureHost r=nical

Usage of WebRenderTextureHostWrapper for SurfaceTextureHost could reduce cpu/gpu task on android.

Differential Revision: https://phabricator.services.mozilla.com/D27653

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

gfx/layers/opengl/TextureHostOGL.h

@@ -440,6 +440,8 @@ class SurfaceTextureHost : public TextureHost {
                         const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
                         const Range<wr::ImageKey>& aImageKeys) override;
 
+  bool SupportsWrNativeTexture() override { return true; }
+
  protected:
   bool EnsureAttached();