acts: Add R softap features acts test

1. Add softap configuration set / get
2. Add client control feature test and check capability if support
3. Add auto shut down with customized timeout test

Bug: 149352480
Test: act.py -tc WifiSoftApTest
Change-Id: Ib360a145e5ef1061c0d526d34998c615dfb272f8
diff --git a/acts/tests/google/wifi/WifiTetheringTest.py b/acts/tests/google/wifi/WifiTetheringTest.py
index d5d197a..623f911 100644
--- a/acts/tests/google/wifi/WifiTetheringTest.py
+++ b/acts/tests/google/wifi/WifiTetheringTest.py
@@ -503,7 +503,7 @@
         # update the wifi ap configuration with new ssid
         config = {wutils.WifiEnums.SSID_KEY: self.new_ssid}
         config[wutils.WifiEnums.PWD_KEY] = self.network[wutils.WifiEnums.PWD_KEY]
-        config[wutils.WifiEnums.APBAND_KEY] = WIFI_CONFIG_APBAND_2G
+        config[wutils.WifiEnums.AP_BAND_KEY] = WIFI_CONFIG_APBAND_2G
         self._save_wifi_softap_configuration(dut, config)
 
         # start wifi tethering with new wifi ap configuration
@@ -561,7 +561,7 @@
         # save open network wifi ap configuration with 2G band
         config = {wutils.WifiEnums.SSID_KEY:
                   self.open_network[wutils.WifiEnums.SSID_KEY]}
-        config[wutils.WifiEnums.APBAND_KEY] = WIFI_CONFIG_APBAND_2G
+        config[wutils.WifiEnums.AP_BAND_KEY] = WIFI_CONFIG_APBAND_2G
         self._save_wifi_softap_configuration(self.hotspot_device, config)
 
         # turn on/off wifi hotspot, connect device
@@ -585,7 +585,7 @@
         # save open network wifi ap configuration with 5G band
         config = {wutils.WifiEnums.SSID_KEY:
                   self.open_network[wutils.WifiEnums.SSID_KEY]}
-        config[wutils.WifiEnums.APBAND_KEY] = WIFI_CONFIG_APBAND_5G
+        config[wutils.WifiEnums.AP_BAND_KEY] = WIFI_CONFIG_APBAND_5G
         self._save_wifi_softap_configuration(self.hotspot_device, config)
 
         # turn on/off wifi hotspot, connect device