config: common: Build CustomLocale for non-stable builds

Summary

This builds the CustomLocale package which allows changing locale from the command line. This is useful for testing translations. Therefore, building it for non-stable builds by default means test and dev builds that are targeted toward developers and advanced users.

Issue(s)

• https://gitlab.e.foundation/e/os/backlog/-/issues/253

Usage

Example usage where $language is the locale code for the said language (for e.g. en for english):

adb shell am broadcast -a com.android.intent.action.SET_LOCALE --es com.android.intent.extra.LOCALE $language com.android.customlocale2