Rename WebChromeClient.addMessageToConsole to WebChromeClient.onConsoleMessage. Do not merge.

BUG=b/2271636

This has already been submitted to eclair-mr2.

Change-Id: I81947f671f58be006ee3e1b30d73c6cb6cf2ebee

tests/DumpRenderTree/src/com/android/dumprendertree/TestShellActivity.java

@@ -638,7 +638,7 @@ public class TestShellActivity extends Activity implements LayoutTestController
         }
 
         @Override
-        public void addMessageToConsole(String message, int lineNumber,
+        public void onConsoleMessage(String message, int lineNumber,
                 String sourceID) {
             if (mConsoleMessages == null) {
                 mConsoleMessages = new StringBuffer();