Give a size for image so test doesn't have to wait for the load.

 Bug 6299115

Change-Id: I3c226c94bd2aa2cbbeb635981b70f43649f22529
diff --git a/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java b/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java
index 0dd3934..71def2f 100755
--- a/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java
+++ b/tests/tests/webkit/src/android/webkit/cts/WebViewTest.java
@@ -1164,6 +1164,7 @@
         final String imgUrl = mWebServer.getAssetUrl(TestHtmlConstants.LARGE_IMG_URL);
         mOnUiThread.loadDataAndWaitForCompletion(
                 "<html><title>Title</title><body><img src=\"" + imgUrl
+                + "\" width=\"" + imgWidth + "\" height=\"" + imgHeight
                 + "\"/></body></html>", "text/html", null);
         getInstrumentation().waitForIdleSync();