Change extraction tool to vendor_available

Remove the vendor entry in Android.bp and replace it with a
vendor_available=true clause. This will allow OEMs building devices with
a newer system image but older vendor to still incorporate the latest
changes to the tool.

Bug: 253979894
Test: Image builds
Change-Id: I4995ffef26a037fa27514383f8c32c37e1ffe087
1 file changed