ApfFilter unit test

Bug: 26238573

Change-Id: I5171038228782bd54e91f5bcc663cc529d2c1150
diff --git a/services/net/java/android/net/apf/ApfCapabilities.java b/services/net/java/android/net/apf/ApfCapabilities.java
index 0ec50c4..b0e0230 100644
--- a/services/net/java/android/net/apf/ApfCapabilities.java
+++ b/services/net/java/android/net/apf/ApfCapabilities.java
@@ -38,7 +38,8 @@
      */
     public final int apfPacketFormat;
 
-    ApfCapabilities(int apfVersionSupported, int maximumApfProgramSize, int apfPacketFormat) {
+    public ApfCapabilities(int apfVersionSupported, int maximumApfProgramSize, int apfPacketFormat)
+    {
         this.apfVersionSupported = apfVersionSupported;
         this.maximumApfProgramSize = maximumApfProgramSize;
         this.apfPacketFormat = apfPacketFormat;