chore: update docs/dyn , add static discovery files to discovery_cache/documents (#1111)

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diff --git a/docs/dyn/displayvideo_v1.advertisers.assets.html b/docs/dyn/displayvideo_v1.advertisers.assets.html
index 4bd60ff..b308d91 100644
--- a/docs/dyn/displayvideo_v1.advertisers.assets.html
+++ b/docs/dyn/displayvideo_v1.advertisers.assets.html
@@ -111,8 +111,8 @@
 
     { # A response message for CreateAsset.
     "asset": { # A single asset. # The uploaded asset, if successful.
-      "content": "A String", # The asset content. For uploaded assets, the content is the serving path.
       "mediaId": "A String", # Media ID of the uploaded asset. This is a unique identifier for the asset. This ID can be passed to other API calls, e.g. CreateCreative to associate the asset with a creative.
+      "content": "A String", # The asset content. For uploaded assets, the content is the serving path.
     },
   }</pre>
 </div>