Support configurable fade properties

Automotive audio systems support powerfull amplifiers
that have specific requirement of fade properties.
Automotive partners also require dynamic fade
properties in order to meet geography based legal
requirements.

This feature supports configuring the following
fade properties:
- Fadeable usages
- Unfadeable content types
- Unfadeable UIDs
- Unfadeable audio attributes
- Volume shaper config per usage or audio attributes
- fade duration per usage or audio attributes

Bug: 186905459
Bug: 307354764
API-Coverage-Bug: 308666800
Test: atest -c FadeManagerConfigurationUnitTest

Change-Id: I0e3d76a85c53e597a0937886b5b4d615f725bd3b