TDLS: Disappearing AP Trick Implementation as part of Oxygen support.

This commit introduces Disappearing AP Trick requirement as part of
oxygen implementation.

Change-Id: Ie8d687c433777b305c5ad9e1ed70d692e7d3320b
CRs-fixed: 471056
diff --git a/CORE/MAC/inc/sirApi.h b/CORE/MAC/inc/sirApi.h
index 52dc1b7..a23a20b 100644
--- a/CORE/MAC/inc/sirApi.h
+++ b/CORE/MAC/inc/sirApi.h
@@ -3889,6 +3889,16 @@
    tANI_U16               length;
    tANI_U8                sessionId;     // Session ID
 } tSirTdlsDelAllPeerInd, *tpSirTdlsDelAllPeerInd;
+#ifdef FEATURE_WLAN_TDLS_OXYGEN_DISAPPEAR_AP
+typedef struct sSirTdlsDisappearAPInd
+{
+   tANI_U16               messageType;
+   tANI_U16               length;
+   tANI_U8                sessionId;     // Session ID
+   tANI_U16               staId;
+   tSirMacAddr            staAddr;
+} tSirTdlsDisappearAPInd, *tpSirTdlsDisappearAPInd;
+#endif
 typedef struct sSirMgmtTxCompletionInd
 {
    tANI_U16               messageType;