support coex scheme

1. add bugfix of ble and add api to set max adv delay time
2. open full scan and change adv interval check in bluedroid

components/esp32/coexist.c

@@ -24,3 +24,8 @@ esp_err_t esp_coex_preference_set(esp_coex_prefer_t prefer)
 {
     return coex_preference_set((coex_prefer_t)prefer);
 }
+
+esp_err_t esp_coex_wifi_percent_set(int wifi_percent)
+{
+    return coex_wifi_percent_set(wifi_percent);
+}