Destroy remote service when CCService dies.

Remote services were still reconnecting back to the CCService when it is
restarted. This prevents multiple CCPerUserService/RemoteService staying
alive and clogging resources.

Fixes: 127662995
Test: atest CtsContentCaptureServiceTestCases
Test: manual verification
Change-Id: Idc5835594ebeb3ed245685189da11cff9799e62e