hal : Test to receive events from kernel

 - Test app to wait for events of Hdmi-in connection state, audio present state,
   sample rate changes.
 - Added code to send edid data by using sysfs exposed by kernel.

Change-Id: Ia68df476397e8aed2aba299337377fe948ff9434
diff --git a/configure.ac b/configure.ac
index ffa5f8c..da39527 100644
--- a/configure.ac
+++ b/configure.ac
@@ -120,7 +120,8 @@
         hal/Makefile \
         post_proc/Makefile \
         qahw_api/Makefile \
-        qahw_api/test/Makefile
+        qahw_api/test/Makefile \
+        hdmi_in_test/Makefile
         ])
 
 AC_OUTPUT