[AWARE] Modify the discovery session handle to uint8_t

Match the NAN protocol.

Bug: 35040192
Test: unit tests + integration (sl4a) tests
Change-Id: I9b39d184708c6e000bd4d84f97659f20d7ec75fd
diff --git a/wifi/1.0/IWifiNanIface.hal b/wifi/1.0/IWifiNanIface.hal
index 271da22..450fba0 100644
--- a/wifi/1.0/IWifiNanIface.hal
+++ b/wifi/1.0/IWifiNanIface.hal
@@ -122,7 +122,7 @@
    *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
    *         |WifiStatusCode.ERROR_UNKNOWN|
    */
-  stopPublishRequest(CommandIdShort cmdId, uint16_t sessionId)
+  stopPublishRequest(CommandIdShort cmdId, uint8_t sessionId)
       generates (WifiStatus status);
 
   /**
@@ -151,7 +151,7 @@
    *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
    *         |WifiStatusCode.ERROR_UNKNOWN|
    */
-  stopSubscribeRequest(CommandIdShort cmdId, uint16_t sessionId)
+  stopSubscribeRequest(CommandIdShort cmdId, uint8_t sessionId)
       generates (WifiStatus status);
 
   /**