Add function to support clearing SSL/certificate store.

net/android/java/src/org/chromium/net/X509Util.java

Index: net/android/java/src/org/chromium/net/X509Util.java
diff --git a/net/android/java/src/org/chromium/net/X509Util.java b/net/android/java/src/org/chromium/net/X509Util.java
index 90012a4aa7496f92876e9215db48251b1829ab56..cd8a29af401bb13d8e73b5e1f94b9d2dc423cf5d 100644
--- a/net/android/java/src/org/chromium/net/X509Util.java
+++ b/net/android/java/src/org/chromium/net/X509Util.java
@@ -291,6 +291,11 @@ public class X509Util {
         ensureInitialized();
     }
 
+    public static void notifyClientCertificatesChanged() {
+        Log.d(TAG, "ClientCertificatesChanged!");
+        nativeNotifyClientCertificatesChanged();
+    }
+
     /**
      * Convert a DER encoded certificate to an X509Certificate.
      */
@@ -438,6 +443,9 @@ public class X509Util {
     public static void setDisableNativeCodeForTest(boolean disabled) {
         sDisableNativeCodeForTest = disabled;
     }
+
+    private static native void nativeNotifyClientCertificatesChanged();
+
     /**
      * Notify the native net::CertDatabase instance that the system database has been updated.
      */