Check flags for permissions that are filtered

Platform permissions will start to be filtered in the PackageInfo, we
need to parse and lookup the required flags that determine this rule per
permission.

LOW_COVERAGE_REASON=Only changing tests
Test: This test on dev and release branches
Bug: 320411042
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:22492125106739575a65eae9d86cf4e6cf5c47a0)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:2eb19f0e3376cf2bfbe7300ee3845b23c65fcee0)
Merged-In: I67a64db38f1cdb552646193a3ad54b10f9595ffd
Change-Id: I67a64db38f1cdb552646193a3ad54b10f9595ffd