Revert "Do not apply the PRNG workarounds if an explicit seed is given"

This reverts commit 7e1bfa0a6520bd9dc27b3d5d9efa177be6080d15.
Revert "Apply a variation of the suggested app-level patch to SecureRandom"

This reverts commit 1f1098d2a06ecb7963b8e0539bafc137dfb0b5de.