Revert "Introduce AttributionAndPermissionUtils."

This reverts commit 17e3ebe817c681973a3058c5bd38974d850a16ca.

Reason for revert: Local testing + debugging

Merged-In: I2e8a8cd456d1fb7f8d12072f6f0aaa12e6dc6e6c

Change-Id: I2e8a8cd456d1fb7f8d12072f6f0aaa12e6dc6e6c
(cherry picked from commit f075f08d80497aafc2b3ee1c4358f5e8559b5c99)