Add dbus-x11 build-dep when creating container

* dbus-x11 is providing dbus-launch used inside the container
Add adb and other android tool to user PATH.

* Append to .bashrc the needed sdk PATH for a particular framework.
  Fix issues #31.
Refresh assets for adding sdk fake path
Ensure we test the path additions in android

* Adapt medium tests (running which in the container) and large tests (ensure
  it's in PATH)