Extract suggested device connection logic from LocalMediaManager.

Create SuggestedDeviceConnectionManager that handles the device
connection for the Suggested Device Chip in Media Controls.

This is almost an exact copy of the code from LocalMediaManager.

Bug: 442856281
Test: atest SuggestedDeviceConnectionManagerTest
Test: atest SuggestedDeviceManager
Test: On a physical device
Flag: com.android.media.flags.use_suggested_device_connection_manager
Change-Id: I284a2eadb1c7e2a12adc52251d7bcb5e88e5bfbc