Revert 176134

Revert 176134
> [Android] Generate localized strings.xml files at build time.
> 
> This generates localized strings.xml files (e.g.
> values-fr/strings.xml) from grd and xtb files at build time. This
> means we no longer need to check in localized strings.xml files. Note:
> the xtb files are empty until translations are available.
> 
> Benefits:
>  - 41 fewer extraneous results when grepping Java string IDs
>  - Switching from maintaining strings in strings.xml over to using a
>    grd file is One Trivial CL* away: just include English in the list
>    of languages for which we generate strings.xml files.
> 
> *Restrictions may apply
> 
> BUG=167248
> 
> Review URL: https://codereview.chromium.org/11659006

TBR=newt@chromium.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=176151