[Android] Front end work for Brave Translate on Android

[timchilds]

Spec
https://docs.google.com/document/d/1LBmoyUveZaMcnycpRqg91lhzZFjDx_19zM3x6ulNpHg/edit?usp=sharing

[Sam-Sibley]

@deeppandya @timchilds Attached are the translate icons, both dark and light, let me know if you need anything else

[deeppandya]

@Sam-Sibley can you provide .svg file ? using vector drawables are preferable over pngs

[timchilds]

@deeppandya the SVGs are the second icons in @Sam-Sibley comment.

[Sam-Sibley]

@deeppandya These are the png icons for various Android sizes as discussed
translate icons.zip
:

[deeppandya]

@timchilds i am not if we should include this issue for release note. can you check and update the issue ?

[stephendonner]

Verification PASSED using

Brave 1.43.74, Chromium 104.0.5112.102 on a Google Pixel XL running Android 9.

NOTE: Over in #23768, I covered enabling the feature, the top-level UI, and core Translate features, but left the remainder of the UI items for this issue.

Shared Steps:

1. install 1.43.74
2. launch Brave
3. set both Enable internal translate engine (brave-translate-go) and Enable Chromium Translate feature to Enabled and tapped on Relaunch, to restart Brave

Correct icons (Light and Dark)

Light	Dark

More languages

1. loaded aol.com/de
2. on the Brave translate toolbar, I clicked on the ellipsis
3. confirmed the full list of translatable languages is present, and matches those in brave://translate-internals/
4. selected Spanish
5. confirmed the page was translated to Spanish, which is selected in the Brave translate toolbar

example	example	example

Always translate pages in "(supported language)"

1. loaded bbc.com/mundo
2. tapped on the Brave translate ellipsis
3. tapped on Always translate pages in Spanish
4. confirmed the page auto-translated to Spanish
5. loaded elpais.com/america
6. confirmed it loaded in Spanish then re-rendered in English
7. tapped on the ellipsis
8. confirmed Always translate pages in Spanish was checked

example	example	example	example

Never translate pages in "(supported language)"

1. loaded mk.ru
2. tapped on the Brave translate ellipsis
3. tapped on Never translate pages in Russian
4. confirmed the page remained in Russian
5. loaded mail.ru
6. confirmed it loaded in Russian
7. confirmed there was no Brave translate toolbar at the bottom

example	example	example	example	example

Never translate this site

1. loaded jagran.com
2. tapped on the Brave translate ellipsis
3. tapped on Never translate this site
4. confirmed the page remained in Hindi, and the translation toolbar went away
5. loaded bbc.com/hindi
6. confirmed it loaded in Hindi with the Brave translate toolbar visible

example	example	example	example	example	example

Page is not in "(supported language)" ?

1. loaded leggo.it
2. tapped on the Brave translate toolbar's ellipsis
3. tapped on the Page is not in Italian? menu item
4. chose Polish
5. confirmed the source language in the Brave translate toolbar changed to Polish
6. confirmed a page translation from Polish to English was attempted (but didn't succeed, as the page isn't in Polish)

example	example	example	example	example