qcacld-3.0: Reduce NDP keep alive time value to 14ms

NDP connection will be active for keep alive period even after receiving
NDP end request. The default value for this keep alive period if 20ms.
update the default value as 14ms to reduce the wait time for connection
termination.

Change-Id: I3d09ce764846d7e535a7369d32a730907b621735
CRs-Fixed: 2802723

components/nan/dispatcher/inc/cfg_nan.h

@@ -149,7 +149,7 @@
  *
  * @Min: 10
  * @Max: 30
- * @Default: 20
+ * @Default: 14
  *
  * Related: None
  *
@@ -164,7 +164,7 @@
 			"gNdpKeepAlivePeriod", \
 			10, \
 			30, \
-			20, \
+			14, \
 			CFG_VALUE_OR_DEFAULT, \
 			"Keep alive timeout of a peer")