Make CameraProviderManager inner classes binder transport agnostic.

In preparation for supporting both aidl and hidl hals.

Bug: 196432585

Test: Camera CTS

Change-Id: Iabddc0cfdaaa95bd4b38125c276cd9c874b500ec
Signed-off-by: Jayant Chowdhary <jchowdhary@google.com>
13 files changed