Merge "Log when context manager is unavailable."

{

    sp<IBinder> context = getStrongProxyForHandle(0);

    if (context == nullptr) {

       ALOGW("Not able to get context object on %s.", mDriverName.c_str());

    }

    // The root object is special since we get it directly from the driver, it is never

    // written by Parcell::writeStrongBinder.

    internal::Stability::tryMarkCompilationUnit(context.get());