Unhide ICMP echo constants.

Bug: 129251251
Test: atest android.net.ipv6.cts.PingTest com.android.cts.net.hostside.VpnTest com.android.cts.deviceandprofileowner.AlwaysOnVpnTest
Change-Id: I5dc8fce0ac47aa622c8d6763b8fa443a7a0570c8

diff --git a/api/current.txt b/api/current.txt
index 37a542d..43648d3 100755 (executable)
--- a/api/current.txt
+++ b/api/current.txt
@@ -40719,6 +40719,10 @@ package android.system {
     field public static final int F_SETOWN;
     field public static final int F_UNLCK;
     field public static final int F_WRLCK;
+    field public static final int ICMP6_ECHO_REPLY;
+    field public static final int ICMP6_ECHO_REQUEST;
+    field public static final int ICMP_ECHO;
+    field public static final int ICMP_ECHOREPLY;
     field public static final int IFA_F_DADFAILED;
     field public static final int IFA_F_DEPRECATED;
     field public static final int IFA_F_HOMEADDRESS;