Downgrade android emulator images to API level 30

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (0e3316f) 31.12% compared to head (70ace19) 29.64%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1160 +/- ## ============================================ - Coverage 31.12% 29.64% -1.49% - Complexity 415 444 +29 ============================================ Files 148 167 +19 Lines 6412 7090 +678 Branches 821 898 +77 ============================================ + Hits 1996 2102 +106 - Misses 4100 4657 +557 - Partials 316 331 +15 ``` | [Flag](https://app.codecov.io/gh/trynoice/android-app/pull/1160/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=trynoice) | Coverage Δ | | |---|---|---| | [api-client](https://app.codecov.io/gh/trynoice/android-app/pull/1160/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=trynoice) | `50.24% <ø> (ø)` | | | [app](https://app.codecov.io/gh/trynoice/android-app/pull/1160/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=trynoice) | `29.02% <ø> (-1.47%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=trynoice#carryforward-flags-in-the-pull-request-comment) to find out more.

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