Merge "Add NetworkCapabilities#getSSID to SystemApi" am: 026e45f305 am: ece6c2d06c

Change-Id: I5d98ddd28ac963615b0a00441b8716f32602fbe8
diff --git a/core/java/android/net/NetworkCapabilities.java b/core/java/android/net/NetworkCapabilities.java
index f43385d..8ebd139 100644
--- a/core/java/android/net/NetworkCapabilities.java
+++ b/core/java/android/net/NetworkCapabilities.java
@@ -1283,6 +1283,7 @@
      * Gets the SSID of this network, or null if none or unknown.
      * @hide
      */
+    @SystemApi
     public @Nullable String getSSID() {
         return mSSID;
     }