Update current path as package root path, which
will help to avoid hard coded paths in project.
It is also recommended to use the current path.
Change-Id: Iba014f61a6e7a79148b511f6997d0197128459d6
This change is adding all the auto generated BP files.
this will inprove the build time as compile time hidl-gen
will be removed.
Change-Id: Ia78880b97540e619eec88241f51b073d1831f650