Add Wifi HAL supplicant AIDL interface definitions.

Converted from android.hardware.wifi.supplicant@1.4 HIDL interface.

Bug: 196235436
Test: m android.hardware.wifi.supplicant-update-api
BYPASS_INCLUSIVE_LANGUAGE_REASON=HE refers to High Efficiency

Change-Id: I9872f297450457c347fb5fe8cf4005b01d3ab1f6
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index c39db36..85dd756 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -733,4 +733,11 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="aidl" optional="true">
+        <name>android.hardware.wifi.supplicant</name>
+        <interface>
+            <name>ISupplicant</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
 </compatibility-matrix>