chore: enable MLS for beta build flavour (ACOL-146)

[ohassine]

ACOL-146 Start testing MLS builds on Release instead of debug build type

---

PR Submission Checklist for internal contributors

• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • contains a reference JIRA issue number like SQPIT-764
  • answers the question: If merged, this PR will: ... ³

• The PR Description

  • is free of optional paragraphs and you have filled the relevant parts to the best of your ability

---

What's new in this PR?

Description

Enabling MLS for all flavours and keep it off for prod.

Dependencies (Optional)

If there are some other pull requests related to this one (e.g. new releases of frameworks), specify them here.

Needs releases with:

• GitHub link to other pull request

Testing

Test Coverage (Optional)

• I have added automated test to this contribution

How to Test

Briefly describe how this change was tested and if applicable the exact steps taken to verify that it works as expected.

Notes (Optional)

Specify here any other facts that you think are important for this issue.

Attachments (Optional)

Attachments like images, videos, etc. (drag and drop in the text box)

---

PR Post Submission Checklist for internal contributors (Optional)

• Wire's Github Workflow has automatically linked the PR to a JIRA issue

---

PR Post Merge Checklist for internal contributors

• If any soft of configuration variable was introduced by this PR, it has been added to the relevant documents and the CI jobs have been updated.

---

References

1. https://sparkbox.com/foundry/semantic_commit_messages
2. https://github.com/wireapp/.github#usage
3. E.g. feat(conversation-list): Sort conversations by most emojis in the title #SQPIT-764.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ecb7ff1) 42.86% compared to head (3130baf) 42.86%.
Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2675      +/-   ##
===========================================
- Coverage    42.86%   42.86%   -0.01%     
===========================================
  Files          405      405              
  Lines        13463    13462       -1     
  Branches      2376     2375       -1     
===========================================
- Hits          5771     5770       -1     
  Misses        7013     7013              
  Partials       679      679              

see 1 file with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update ecb7ff1...3130baf. Read the comment docs.

[github-actions]

Test Results

816 tests  ±0   816 ✅ ±0   13m 4s ⏱️ +48s
113 suites ±0     0 💤 ±0 
113 files   ±0     0 ❌ ±0 

Results for commit 3130baf. ± Comparison against base commit ecb7ff1.

[github-actions]

APKs built during tests are available here. Scroll down to Artifacts!

[AndroidBob]

Build 2995 succeeded.

The build produced the following APK's:

• com.wire.android-v4.7.0(8844073)(8844073)-staging-compat.apk