Add API to get Mac random settings

Bug: 191480751
Test: atest FrameworksWifiApiTests
Change-Id: Ia71c897b8a6800d36059958195d827d6c363b348
diff --git a/framework/api/current.txt b/framework/api/current.txt
index 3a78edf..549f851 100644
--- a/framework/api/current.txt
+++ b/framework/api/current.txt
@@ -588,6 +588,7 @@
     method public int describeContents();
     method @Nullable public android.net.MacAddress getBssid();
     method @Nullable public android.net.wifi.WifiEnterpriseConfig getEnterpriseConfig();
+    method public int getMacRandomizationSetting();
     method @Nullable public String getPassphrase();
     method @Nullable public android.net.wifi.hotspot2.PasspointConfiguration getPasspointConfig();
     method @IntRange(from=0) public int getPriority();