build: run docs regen in synth.py (#1059)

diff --git a/docs/dyn/playcustomapp_v1.accounts.customApps.html b/docs/dyn/playcustomapp_v1.accounts.customApps.html
index d2ffc4a..6da981b 100644
--- a/docs/dyn/playcustomapp_v1.accounts.customApps.html
+++ b/docs/dyn/playcustomapp_v1.accounts.customApps.html
@@ -97,8 +97,8 @@
 
 { # This resource represents a custom app.
     "title": "A String", # Title for the Android app.
-    "packageName": "A String", # Output only. Package name of the created Android app. Only present in the API response.
     "languageCode": "A String", # Default listing language in BCP 47 format.
+    "packageName": "A String", # Output only. Package name of the created Android app. Only present in the API response.
   }
 
   x__xgafv: string, V1 error format.
@@ -113,8 +113,8 @@
 
     { # This resource represents a custom app.
       "title": "A String", # Title for the Android app.
-      "packageName": "A String", # Output only. Package name of the created Android app. Only present in the API response.
       "languageCode": "A String", # Default listing language in BCP 47 format.
+      "packageName": "A String", # Output only. Package name of the created Android app. Only present in the API response.
     }</pre>
 </div>