Add support for RS vendor executables.

/vendor/bin/bcc being a dependency of renderscript should be labeled as
same_process_hal_file. To facilitate that we relax neverallow rules for
executing same_process_hal_file from coredomain.

See details on /vendor/bin/bcc:
https://source.android.com/devices/architecture/vndk/renderscript

Bug: n/a
Test: build-time change
Change-Id: Ie996fb863090bf08b3d3ef653da827d0b22937d7