Add @UnsupportedAppUsage annotations

For packages:
  android.net.wimax
  android.net.wifi.p2p.nsd
  android.net.wifi.p2p
  android.net.wifi.hotspot2.pps
  android.net.wifi.hotspot2.omadm
  android.net.wifi.hotspot2
  android.net.wifi.aware
  android.net.wifi
  android.net.util
  android.net.sip
  android.net.rtp
  android.net.nsd
  android.net.metrics
  android.net.lowpan
  android.net.http
  android.net.captiveportal
  android.net

This is an automatically generated CL. See go/UnsupportedAppUsage
for more details.

Exempted-From-Owner-Approval: Mechanical changes to the codebase
which have been approved by Android API council and announced on
android-eng@

Bug: 110868826
Test: m
Change-Id: Ie25423113ee1a8071cd5039382c00de6ce0af7fd
Merged-In: I520be7a4c79e68310c12e4f55bf66acaa94145a1
diff --git a/core/java/android/net/metrics/IpReachabilityEvent.java b/core/java/android/net/metrics/IpReachabilityEvent.java
index 019c2c5..715c95e 100644
--- a/core/java/android/net/metrics/IpReachabilityEvent.java
+++ b/core/java/android/net/metrics/IpReachabilityEvent.java
@@ -16,6 +16,7 @@
 
 package android.net.metrics;
 
+import android.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.SparseArray;
@@ -48,6 +49,7 @@
     // byte 3: when byte 2 == PROBE, errno code from RTNetlink or IpReachabilityMonitor.
     public final int eventType;
 
+    @UnsupportedAppUsage
     public IpReachabilityEvent(int eventType) {
         this.eventType = eventType;
     }
@@ -80,6 +82,7 @@
     /**
      * Returns the NUD failure event type code corresponding to the given conditions.
      */
+    @UnsupportedAppUsage
     public static int nudFailureEventType(boolean isFromProbe, boolean isProvisioningLost) {
         if (isFromProbe) {
             return isProvisioningLost ? PROVISIONING_LOST : NUD_FAILED;