softap: Increase delay after driver start to 800 ms (from 400)

Workaround to avoid __nl80211_set_channel() to fail

Change-Id: I710f18c66cff66413f7133d65b2adcf53d67a8e7
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/SoftapController.h b/SoftapController.h
index 317b9db..647b4fa 100644
--- a/SoftapController.h
+++ b/SoftapController.h
@@ -25,7 +25,7 @@
 #define AP_BSS_START_DELAY	200000
 #define AP_BSS_STOP_DELAY	500000
 #define AP_SET_CFG_DELAY	500000
-#define AP_DRIVER_START_DELAY	400000
+#define AP_DRIVER_START_DELAY	800000
 
 class SoftapController {
     char mBuf[SOFTAP_MAX_BUFFER_SIZE];