Media Engagement: Roll preloaded data to 1.0.3.0

Roll preloaded data to 1.0.3.0

BUG=833861

Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I32aff80f3637e7ff2608f155d0e3ebf3182489b9
Reviewed-on: https://chromium-review.googlesource.com/1014719Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
Commit-Queue: Becca Hughes <beccahughes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#551378}

chrome/browser/resources/media/mei_preload/manifest.json

 {
-  "update_url": "https://clients2.google.com/service/update2/crx",
-  "name": "MEI Preload",
-  "description": "Contains preloaded data for Media Engagement",
-  "version": "0.0.0.1",
-  "manifest_version": 2,
-  "icons": {}
-}
+  "description": "Contains preloaded data for Media Engagement", 
+  "icons": {}, 
+  "version": "1.0.3.0", 
+  "manifest_version": 2, 
+  "update_url": "https://clients2.google.com/service/update2/crx", 
+  "name": "MEI Preload"
+}
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