build: update srt library for android

[SiminBadri]

Pull Request Checklist

Please check if your pull request fulfils the following requirements:

• The commit message follows our guidelines: https://gitlab.playpod.ir/alpha/backend/server-services-next/-/blob/main/CONTRIBUTING.md#commit-message-format
• Tests for the changes have been added / updated (for feat / fix / refactor)
• Docs for the changes have been added / updated (for feat / fix / refactor)

Pull Request Type

What kind of change does this pull request introduce?

• Build: Changes that affect the build system or external dependencies
• CD: Changes to our CD configuration files and scripts
• CI: Changes to our CI configuration files and scripts
• Docs: Documentation only changes
• Feat: A new feature
• Fix: A bug fix
• Perf: A code change that improves performance
• Refactor: A code change that neither fixes a bug nor adds a feature
• Test: Adding missing tests or correcting existing tests

What is the current behaviour?

Issue #35

What is the new behaviour?

The srt library for Android is updated (built by ndk 21 - clang for armv7)

Does this Pull Request introduce a breaking change?

• Yes
• No

Other information

Closes #35