Move permission grant to bind instead of complete

We need to grant the package the correct permissions
before the service is bound to prevent race conditions
where the ImsService needs permissions in initialization.

Bug: 76102874
Test: Manual
Merged-In: I643de1a525b3c9d9832190d28703c56db81c5104
Change-Id: I7eafd91407998ecbe823bc7a69e52b58de1e32f7