[omnibox] Roll prepopulated engines data version

This CL only rolls the version number so that data will
be downloaded and processed, which may help some broken
databases get the Google search engine back.

Bug: 1164024
Change-Id: I6f2c65b93c8316c1eb97edba3f40149e4006047c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2617126Reviewed-by: Tommy Li <tommycli@chromium.org>
Commit-Queue: Orin Jaworski <orinj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842575}

components/search_engines/prepopulated_engines.json

@@ -28,7 +28,7 @@
     // Increment this if you change the data in ways that mean users with
     // existing data should get a new version. Otherwise, existing data may
     // continue to be used and updates made here will not always appear.
-    "kCurrentDataVersion": 124
+    "kCurrentDataVersion": 125
   },
 
   // The following engines are included in country lists and are added to the