Convert SuggestedDeviceState to a Kotlin data class.

Move that structure out of InfoMediaManager to a separate Kotlin file.
This simplifies the code and allows to use Kotlin named parameters.

Bug: 431423375
Test: atest MediaDeviceManagerTest
Test: atest InfoMediaManagerTest
Test: atest LocalMediaManagerTest
Flag: EXEMPT refactor
Change-Id: I28e35f0b4d1d12ce287c34de2d6dbda76c35afb6