SpatializerHelper: Add properties for enable defaults

Test: see bug
Test: atest SpatializerHelperTest
Bug: 270980127
Merged-In: I5f5a8ab9fc30cc3549ab8c3d2873c4570bbeef00
Change-Id: I5f5a8ab9fc30cc3549ab8c3d2873c4570bbeef00
3 files changed