Docserver: Skip to version 3-45-2. There was a test instance already uploaded

to 3-45-1/2 and I don't want this to interfere with it.

TBR=rockot@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/661863002

Cr-Commit-Position: refs/heads/master@{#299985}

chrome/common/extensions/docs/server2/app.yaml

 application: chrome-apps-doc
-version: 3-45-0
+version: 3-45-2
 runtime: python27
 api_version: 1
 threadsafe: false

chrome/common/extensions/docs/server2/cron.yaml

@@ -2,4 +2,4 @@ cron:
 - description: Repopulates all cached data.
   url: /_cron
   schedule: every 120 minutes from 00:00 to 22:00
-  target: 3-45-0
+  target: 3-45-2