Revert of Add i18n support for Android App Restrictions. (patchset #7 id:120001 of https://codereview.chromium.org/865573002/)

Reason for revert:
Broke some GN builds, e.g.:

http://build.chromium.org/p/chromium.linux/builders/Linux%20GN/builds/24483/steps/compile/logs/stdio
http://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20GN/builds/11092/steps/compile/logs/stdio

ninja: Entering directory `/mnt/data/b/build/slave/Linux_GN/build/src/out/Release'
ninja:error: expected depfile 'gen/chrome/policy_templates.d' to mention 'gen/chrome/app/policy/common/html/am/chrome_policy_list.html', got 'gen/chrome/app/policy/linux/examples/chrome.json'

Original issue's description:
> Add i18n support for Android App Restrictions.
>
> GYP target policy_templates is now enabled for android as well.
> Remove code that generated Policy resources w/o translation for Android.
>
> roll grit 186:187
>
> 187: Add a Policy template writer that generates Android resources which can be exposed through Android's App Restriction Schema.
>
> Depends on:
> https://codereview.chromium.org/865563002
>
> BUG=450548
>
> Committed: https://crrev.com/cd9f7d3afef0d0d4054318e9999aee879eaf26e1
> Cr-Commit-Position: refs/heads/master@{#319758}

TBR=bauerb@chromium.org,bartfab@chromium.org,knn@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=450548

Review URL: https://codereview.chromium.org/992853002

Cr-Commit-Position: refs/heads/master@{#319773}
6 files changed