Allow vendor-init-settable for properties used in Android TV

The following properties will be whitelisted.
- ro.hdmi.device_type, ro.hdmi.wake_on_hotplug and
persist.sys.hdmi.keep_awake for hdmi
- ro.sf.disable_triple_buffer for SurfaceFlinger
- media.stagefright.cache-params and persist.sys.media.avsync for
nuplayer

Bug: 78205669
Bug: 78430613
Test: succeeded building
Change-Id: I5ee1a1de72c265bca87aa041c6acd9554f5f8c07