Update the judgement of sim_mode for the new projects.

Bug: 221798276
Test: Yes, locally
Change-Id: I6b65ef1697accd12ee5965240cfb62adf02e2f34
diff --git a/acts_tests/acts_contrib/test_utils/tel/tel_data_utils.py b/acts_tests/acts_contrib/test_utils/tel/tel_data_utils.py
index 80f1a73..0b6856e 100644
--- a/acts_tests/acts_contrib/test_utils/tel/tel_data_utils.py
+++ b/acts_tests/acts_contrib/test_utils/tel/tel_data_utils.py
@@ -709,6 +709,7 @@
         voice_subid = get_outgoing_voice_sub_id(ad)
         sms_subid = get_outgoing_message_sub_id(ad)
 
+        sim_mode_before_reboot = ad.droid.telephonyGetPhoneCount()
         data_rat_before_reboot = get_network_rat_for_subscription(
             log, ad, data_subid, NETWORK_SERVICE_DATA)
         voice_rat_before_reboot = get_network_rat_for_subscription(
@@ -732,19 +733,23 @@
 
             return False
 
-        sim_mode = ad.droid.telephonyGetPhoneCount()
+        sim_mode_after_reboot = ad.droid.telephonyGetPhoneCount()
+
+        if sim_mode_after_reboot != sim_mode_before_reboot:
+            ad.log.error(
+                "SIM mode changed! (Before reboot: %s; after reboot: %s)",
+                sim_mode_before_reboot, sim_mode_after_reboot)
+            return False
+
         if getattr(ad, 'dsds', False):
-            if sim_mode == 1:
+            if sim_mode_after_reboot == 1:
                 ad.log.error("Phone is in single SIM mode after reboot.")
                 return False
-            elif sim_mode == 2:
+            elif sim_mode_after_reboot == 2:
                 ad.log.info("Phone keeps being in dual SIM mode after reboot.")
         else:
-            if sim_mode == 1:
+            if sim_mode_after_reboot == 1:
                 ad.log.info("Phone keeps being in single SIM mode after reboot.")
-            elif sim_mode == 2:
-                ad.log.error("Phone is in dual SIM mode after reboot.")
-                return False
 
         data_subid_after_reboot = get_default_data_sub_id(ad)
         if data_subid_after_reboot != data_subid: