8181759: add explicit @build actions for jdk.test.lib classes in all :tier1 tests
Reviewed-by: alanb

8180805: move RandomFactory to the top level testlibrary
Reviewed-by: bpb, rriggs

8079782: RandomFactory should be in the jdk.testlibrary package
Reviewed-by: bpb

8078672: Print and allow setting by Java property seeds used to initialize Random instances in java.lang numerics tests
Summary: Add ability to initial the random number generator from the system property "seed" and print to STDOUT the seed value actually used.
Reviewed-by: darcy

8078334: Mark regression tests using randomness
Reviewed-by: xuelei, alanb

8074460: Always print seeds used in [Splittable]Random instances in java.math tests
Summary: Create a utility class which creates a pseudorandom number generator (PRNG) and retains the seed. Use this class in java.math tests which use a PRNG. Always print the seed value before the PRNG is used.
Reviewed-by: darcy

8042478: Include Mersenne primes in BigInteger primality testing
Summary: Add testing of some of the Mersenne primes.
Reviewed-by: darcy

8026236: Add PrimeTest for BigInteger
Summary: Test primality verification methods in BigInteger
Reviewed-by: psandoz
Contributed-by: Brian Burkhalter <brian.burkhalter@oracle.com>, Peter Levart <peter.levart@gmail.com>, Paul Sandoz <paul.sandoz@oracle.com>, Aleksey Shipilev <aleksey.shipilev@oracle.com>, Florian Weimer <fweimer@redhat.com>