[WifiSoftApAcsTest] Add more logs.

Add more logs to express the Wi-Fi network operates on which channel,
DUT's SoftAp operates on which channel.

Bug: 194153681
Test: Local.
Change-Id: I161387e953a67be88d282988694b6b9b0eaf8cb0
diff --git a/acts_tests/tests/google/wifi/WifiSoftApAcsTest.py b/acts_tests/tests/google/wifi/WifiSoftApAcsTest.py
index 974a784..da7877d 100644
--- a/acts_tests/tests/google/wifi/WifiSoftApAcsTest.py
+++ b/acts_tests/tests/google/wifi/WifiSoftApAcsTest.py
@@ -150,6 +150,8 @@
             self.log.debug("DUT is connected to softAP %s with details: %s" %
                            (softap[wutils.WifiEnums.SSID_KEY], softap_info))
             frequency = softap_info['frequency']
+            self.dut.log.info("DUT SoftAp operates on Channel: {}".
+                              format(WifiEnums.freq_to_channel[frequency]))
             if frequency > 0:
                 break
             time.sleep(1) # frequency not updated yet, try again after a delay
@@ -194,6 +196,10 @@
             return channel
         # Connect to the AP and start IPerf traffic, while we bring up softap.
         wutils.connect_to_wifi_network(self.dut_client, network)
+        freq = self.dut_client.droid.wifiGetConnectionInfo()["frequency"]
+        ap_chan = wutils.WifiEnums.freq_to_channel[freq]
+        self.dut_client.log.info("{} operates on channel: {}"
+                                 .format(network["SSID"], ap_chan))
         wutils.verify_11ax_wifi_connection(
             self.dut_client, self.wifi6_models, "wifi6_ap" in self.user_params)
         t = Thread(target=self.run_iperf_client,args=((network,self.dut_client),))