Set the NAME_* constants public

The constants are useful to examine or build DNS packets.

Test: m
Bug: 160617623
Bug: 160656765
Change-Id: I0fbe59e4bfb2ffc8ceb83ff5f81ceeab0f83228b
diff --git a/staticlibs/src_frameworkcommon/com/android/net/module/util/DnsPacket.java b/staticlibs/src_frameworkcommon/com/android/net/module/util/DnsPacket.java
index ac337e0..5ac731c 100644
--- a/staticlibs/src_frameworkcommon/com/android/net/module/util/DnsPacket.java
+++ b/staticlibs/src_frameworkcommon/com/android/net/module/util/DnsPacket.java
@@ -97,8 +97,8 @@
         private static final int MAXNAMESIZE = 255;
         private static final int MAXLABELSIZE = 63;
         private static final int MAXLABELCOUNT = 128;
-        private static final int NAME_NORMAL = 0;
-        private static final int NAME_COMPRESSION = 0xC0;
+        public static final int NAME_NORMAL = 0;
+        public static final int NAME_COMPRESSION = 0xC0;
         private final DecimalFormat mByteFormat = new DecimalFormat();
         private final FieldPosition mPos = new FieldPosition(0);