README wording improvement for required permissions
README wording improvement for required permissions

Change-Id: I04546d7b1edfe35d5dda25ea3dfbf7d3dccc1de1
GitOrigin-RevId: cc049d86df65237e61a2fcc049df653407e2d441

GoogleCloudPlatform/gcpdiag,GoogleCloudPlatform/gcpdiag,GoogleCloudPlatform/gcpdiag