hwc: add qdcm service to be loaded in HWC and perform service

 1. Add one binder command to display.qservice to serve the
    binder requests received from SDK.
 2. Each subcommand will be corresponding to one command
    handler. Command handler will pass the requests to
    qdcm library.
 3. Dynamically load qdcm library, where all apis are
    implemented.
 4. apply default mode function will be invoked once
    bootanimation event is detected

Change-Id: I28fdf5f2561fcaffbfd3b7a1e9b136a4c372300e
9 files changed