qsap: add functions for calling FST manager start/stop

FST manager start/stop need to be done in sync with start/stop
of softAP controller.
To support such functionality, added general functions that
can be used pre and post softAP start/stop operations.

Change-Id: Ic2dd119b1fbfbf88b7b39000c1633792c8a628c2
CRs-Fixed: 1014736

softap/sdk/qsap.c

@@ -54,6 +54,7 @@
 
 #include "qsap_api.h"
 #include "qsap.h"
+#include "wifi_fst.h"
 
 #include <sys/system_properties.h>
 
@@ -695,3 +696,20 @@ s32 wifi_qsap_stop_wigig_softap(void)
     usleep(AP_BSS_STOP_DELAY);
     return eSUCCESS;
 }
+
+int qsap_prepare_softap()
+{
+    ALOGD("Starting fstman\n");
+    return wifi_start_fstman(TRUE);
+}
+
+int qsap_unprepare_softap()
+{
+    ALOGD("Stopping fstman\n");
+    return wifi_stop_fstman(TRUE);
+}
+
+int qsap_is_fst_enabled()
+{
+    return is_fst_enabled();
+}