Update parameters for rich inline autocomplete

According to the direction deck [1], we need to add two parameters. The first parameter controls whether the additional text is shown in the Omnibox. The second parameter determines how many user input texts are needed to display the additional text.

[1]: https://docs.google.com/presentation/d/1YoebbKKnUR6izVKXwJT6sNp5MxpnIdAZaDk-j87ghUY/edit#slide=id.g26a758f8ef5_0_89

Change-Id: I39c065b68e05099de6738901e9e7f393da2727cb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5571939
Commit-Queue: Gang Wu <gangwu@chromium.org>
Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com>
Reviewed-by: Tomasz Wiszkowski <ender@google.com>
Cr-Commit-Position: refs/heads/main@{#1307679}