Create an AvrcpPlayer.Builder to consolidate constructors

This change creates a builder object for out AvrcpPlayer so we can have
greater flexibility in how we create the object without needing to
support several different types of constructors. The intent is to use
this in a follow up patch.

Tag: #stability
Bug: 187107189
Test: atest BluetoothInstrumentationTests
Change-Id: I0221ab61350c2ea446b97a74dcfe8c975ce311d2