Move satellite code into Satellite file

This change also delete the BluetoothSatelliteModeListenerTest that is
not effective and it would take me more time to fix it than to upload
the next-gen test with robolectric.

Bug: 262605980
Test: m service-bluetooth
Test: atest ServiceBluetoothTests
Change-Id: I598ba1b73bcd346e30b011cb3319fa0c519d994e