Define PROT_READ and PROT_WRITE when generating the policy files

When generating crash_dump.*.policy, replace PROT_READ and PROT_WRITE
to numeric constants to make the policy backward compatible with old
libminijail.so.

Bug: 73273658
Test: use the new policy in OMR1 devices
Change-Id: I936a733340ad4df8aef6562c03eb10c29ffdada2
5 files changed