commit 15740d6199a4ec9a73b2cfb06f81f644382aba78
author Sunil Ravi <sunilravi@google.com> Sun Apr 11 19:21:06 2021 -0700
committer Sunil Ravi <sunilravi@google.com> Mon Apr 12 20:27:49 2021 -0700
tree 92c22f306f9922453ae0d1fa08847f34a114baeb
parent d2f0852a4adca6fa0d351effa0f6a78855d918d2

set Default country code to be persistent

1. on receiving WifiManager#setDefaultCountryCode(String)
store the default country code in config store.
2. When framework set default country code in driver/fw, set the persistent country code
if available (from config store) else set the country code
from system property ro.boot.wificountrycode.

Bug: 140008208
Test: atest com.android.server.wifi.WifiCountryCodeTest#setDefaultCountryCode
Test: Manual - Set the default country code by calling WifiManager#setDefaultCountryCode(String)
via cts test & confirmed that wifi_default_country_code entry in WifiConfigStore.xml is updated.

Change-Id: I41a1bc8a16b479199a84d0ab2fb1b715662bf89e