Implemented CarVendorExtensionManager

Also, some refactoring like omitting excessive
synchronization and reworked takeSupportedProperties from
being exception driven in PropertyHalServiceBase.
Change switch/case statement to SparseIntArray, it has
some maintanance and performance benefits.

Change-Id: Ie9e9239718d6fb50801a616b823a20567237ac95
Fix: b/28244032
17 files changed