Allow gmscore_app to write to /data/ota_package for OTA packages

This also adds an auditallow to the same rule for priv_app, so we can
delete it once no logs show up in go/sedenials for this rule
triggerring.

Bug: 142672293
Test: TH
Change-Id: I57f887e96d721ca69a7228df0a75515596776778
2 files changed