Revert "framework-wifi: clean up AIDL exports"

This reverts commit 537d8d9e2bcdc7361bf9a0c14b32d606b7d3881d.

Reason for revert: Broke build

Change-Id: Ia69c60050203b1124baf8d1304e837854a1f8bc9
diff --git a/Android.bp b/Android.bp
index b52a4e1..4e2b156 100644
--- a/Android.bp
+++ b/Android.bp
@@ -303,6 +303,7 @@
             "sax/java",
             "telecomm/java",
             "telephony/java",
+            "wifi/java",
         ],
     },