prng_seeder is a bootstrap process in microdroid

It is started very early before linker namespaces are configured, thus
making it a bootstrap process. Also, it is built with `prefer_rlib:
true` so that we don't spend time for dynamically linking the dylibs.

Bug: 263398430
Test: watch boottime benchmark
Change-Id: I5193d0d36958de5b6d6dfa8584212f82edb727bc
1 file changed