[Multiple Tests] Cherry picked changes from git_master

Following changes are cherry picked from git_master.
- ag/13403527
- ag/13567815
- ag/13717566
- ag/13712306
- ag/13712970
- ag/13778838

Bug: 174705814
Fixes: 174705814
Test: Verified the changes
Merged-In: I4bda6b836eb979a498ee0683bec16e85c31c2ef6
Change-Id: I31692c9817b73c77ab8b261c846fbdd1c1044673
diff --git a/acts_tests/acts_contrib/test_utils/wifi/wifi_test_utils.py b/acts_tests/acts_contrib/test_utils/wifi/wifi_test_utils.py
index 42948c6..f421695 100755
--- a/acts_tests/acts_contrib/test_utils/wifi/wifi_test_utils.py
+++ b/acts_tests/acts_contrib/test_utils/wifi/wifi_test_utils.py
@@ -118,6 +118,7 @@
         WPA3_SAE = "WPA3_SAE"
 
     class CountryCode():
+        AUSTRALIA = "AU"
         CHINA = "CN"
         GERMANY = "DE"
         JAPAN = "JP"