Let clients access StaticIpConfiguration members through reflection.

Bug: 131764329
Test: none
Change-Id: Ice5c4fd4d469a55410129310c5a25874b94e2219
(cherry picked from commit 6736fb0465e3cc9f38ee1340e6b831a6dcd195e8)
Merged-In: I0fa84390f6c289571afa9d86cb922835fe2b7e77

core/java/android/net/StaticIpConfiguration.java

@@ -58,15 +58,15 @@ public final class StaticIpConfiguration implements Parcelable {
     @Nullable
     public LinkAddress ipAddress;
     /** @hide */
-    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P)
+    @UnsupportedAppUsage
     @Nullable
     public InetAddress gateway;
     /** @hide */
-    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P)
+    @UnsupportedAppUsage
     @NonNull
     public final ArrayList<InetAddress> dnsServers;
     /** @hide */
-    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P)
+    @UnsupportedAppUsage
     @Nullable
     public String domains;