Permission Manager notified too often of permission changes

[joeljfischer]

See #957

Bug Report

Subscribers to permission changes will be notified unnecessarily if the new permissions for a subscribed RPC are exactly the same when an OnPermissionsChange notification is received. The sdl_filterPermissionChangesForFilters only checks for the rpcName and not the hmiPermissions and parameterPermissions.

When the OnPermissionsChange notification is sent, it includes all of the supported RPCs, not just the RPCs whose permissions changed. If the permissions for an RPC did not change, the observer will still be notified. This is because the permission manager assumes that the notification will only include the RPCs whose permissions changed.

This seems likely to be a Core bug.

Reproduction Steps

1. [Step 1]
2. [Step 2]
3. [Step 3]

Expected Behavior

[Some expected behavior]

Observed Behavior

[Some observed behavior]

OS & Version Information

• iOS Version: n/a
• SDL iOS Version: v5.2
• Testing Against: [Ford] Sync Gen 3