tracker: add all floating dependencies

* fixes following floating dependencies:
  tracker/tracker/latest lost dependency on  enca gtk+3 libgee
    libunistring upower
  tracker/tracker-dev/latest lost dependency on  cairo enca expat
    fontconfig freetype giflib gstreamer lcms libgstpbutils-0.10
    libgsttag-0.10 liblzma libpoppler
    libpoppler-glib libunistring libx11 libxau libxcb libxcb-render
    libxcb-shm libxdmcp libxext libxrender pixman taglib taglib-c tiff

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>