refactor(android): various cleanup

[erisu]

Platforms affected

android

Motivation and Context

Cleanup code and follow standards

Description

• Corrected indention levels with Android Studio
• Replaced mixing of tab indentions with spaces (VSCode)
• Import Optimization with Android Studio
• Removed a double caught exception.
• Removed unused permissions global array variable
• Move part of the permissions comment to hasReadPermission
• Removed Trailing Spaces

For eaiser review, try enabling the Hide whitespace setting.

Testing

• cordova plugin add ...
• cordova build android
• npm t

Checklist

• I've run the tests to see all new and existing tests pass
• I added automated test coverage as appropriate for this change
• Commit is prefixed with (platform) if this change only applies to one platform (e.g. (android))
• If this Pull Request resolves an issue, I linked to the issue in the text above (and used the correct keyword to close issues using keywords)
• I've updated the documentation if necessary

[breautek]

changes lgtm