[py] __init__ in chromium/remote_connection.py is now more readable. - #12367

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Description

Made __init__ method in chromium/remote_connection.py more readable by moving all remote commands to an internal method _remote_commands.

Motivation and Context

• Moved all remote commands in __init__ of chromium/remote_connection.py to an internal method _remote_commands
• Now the constructor looks more readable as all the commands are moved to separate method.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• [] New feature (non-breaking change which adds functionality)
• [] Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• [] My change requires a change to the documentation.
• [] I have updated the documentation accordingly.
• [] I have added tests to cover my changes.
• All new and existing tests passed.