support the android volume 2

[officialismailshah]

Metadata

• Plugin version used: ex: 1.0.0
• Server socket.io version: ex: 2.4.0
• Device Type: [Physical Device or Emulator]
• Model: [e.g. iPhone6]
• OS: [e.g. iOS14.2 / Android API Level 29]
• Package Version [e.g. 22]

Have you tried reproducing the issue with example available in this repo?: Yes/No

Describe the bug
The plugins `adhara_socket_io use a deprecated version of the Android embedding.

Steps to reproduce
https://flutter.dev/go/android-plugin-migration

Expected behavior
Android embedding version is old and should be updated to android embedding 2....

[ihancock]

See PR #163 This also fixes Android Embedding