Add simple-id-agent for wayland-ivi-extension 2.0.2

Add simple-id-agent for wayland-ivi-extension 2.0.2

Add a subdirectory id-agent-modules for simple-id-agent.
And load this library in ivi-controller.

These codes are copy from this commit create by Emre Ucan.
This commit is from meta-agl and can not cherrypick to meta-agl-demo.
So copy it and create a new patch, change a litte line number to 0002.
https://gerrit.automotivelinux.org/gerrit/#/c/11991/
    0001-simple-id-agent-initial-commit.patch
    0002-ivi-controller-load-id-agent-module.patch

Change-Id: I5e5278c9b6b536681ba0665e8549f98d75d69245
Signed-off-by: zheng_wenlong <wenlong_zheng@nexty-ele.com>
Signed-off-by: Emre Ucan <eucan at de.adit-jv.com>
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Signed-off-by: Tadao Tanikawa <taniakwa.tadao@jp.panasonic.com>