Generate Cronet Version.java based on VERSION and LASTCHANGE files.

components/cronet/android/java/src/org/chromium/net/UrlRequestContext.java

Index: components/cronet/android/java/src/org/chromium/net/UrlRequestContext.java
diff --git a/components/cronet/android/java/src/org/chromium/net/UrlRequestContext.java b/components/cronet/android/java/src/org/chromium/net/UrlRequestContext.java
index 8396f2a248fcd82981f3d84651c000a020b335f1..d5a86bc46c0bc68aa7be0cbe33cac290601f05ac 100644
--- a/components/cronet/android/java/src/org/chromium/net/UrlRequestContext.java
+++ b/components/cronet/android/java/src/org/chromium/net/UrlRequestContext.java
@@ -46,10 +46,10 @@ public class UrlRequestContext {
 
     /**
      * Returns the version of this network stack formatted as N.N.N.N/X where
-     * N.N.N.N is the version of Chromium and X is the version of the JNI layer.
+     * N.N.N.N is the version of Chromium and X is the revision number.
      */
     public static String getVersion() {
-        return nativeGetVersion();
+        return Version.getVersion();
     }
 
     /**
@@ -119,8 +119,6 @@ public class UrlRequestContext {
         return loggingLevel;
     }
 
-    private static native String nativeGetVersion();
-
     // Returns an instance URLRequestContextPeer to be stored in
     // mUrlRequestContextPeer.
     private native long nativeCreateRequestContextPeer(Context context,