Move SHA1PRNG_SecureRandomTest to libcore Moved to libcore in commit 3c9191d16348246eca060fe5627a7068d0842f07 (cherry picked from commit 35da2425e283c428a33d1118807f0ba748563a57) Bug: 6642616 Change-Id: I2c4746ff96e009c7f6c07b3172e72d59e9e073ab