Since these were combined into libhidlbase.
Bug: 135686713
Test: build only (libhwbinder/libhidltransport are empty)
Change-Id: Iba2cd20b8b20fac3e7564de6b853b475fd4ebd2a
* Also drop silead support and fp variant props as
none of these are actually used (anymore?).
Change-Id: If9fa58c63c5033e7a89c24580288ec7300500c66
Signed-off-by: Anirudh Gupta <anirudhgupta109@aosip.dev>