feat: pip mode refactor on Android to put only player into PIP mode vs all activity

[vnovick]

Description of changes:

• Refactored setting up pip mode for only the player vs the whole activity on android
• added buttons in pip mode
• added broadcast receiver to listen to play, pause actions in pip mode
• added onPipModeChanged on Android and updated Readme for the usage
• upgraded RN to 0.72.7
• solved build issues for iOS
• initial work on iOS pip mode subscribing support

[Bowlerr]

Awesome !

I was going to look into this android Picture in picture issue.

Is it possible to make the added buttons optional ?

My use case will have no need to them

[vnovick]

Good point. I can add them as optional.