Merge "Add ConnectivityManager.TYPE_PROXY to SystemApi" am: 58606c506b

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1512885

Change-Id: I0eb069c5ed0daca29f1bc4d3fd62f83879985b1c
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index c28a901..cf5d4e5 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -684,7 +684,7 @@
      * {@hide}
      */
     @Deprecated
-    @UnsupportedAppUsage
+    @SystemApi
     public static final int TYPE_PROXY = 16;
 
     /**