cameraserver: Implement HIDL ICameraDeviceUser and ICameraDeviceCallbacks.

Bug: 110364143

Test: (build) mm -j64

Change-Id: I2164b9ffacb3c00404a5a6506a4b6631663ee4c7
Signed-off-by: Jayant Chowdhary <jchowdhary@google.com>
8 files changed