Convert WebView Layout test to JUnit4

tools/android/eclipse/.classpath

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- {% block header_message %}
 
 Eclipse classpath. See instructions at
 https://www.chromium.org/developers/android-eclipse-dev for setting up Eclipse
 for Chrome Android development.
 
 Obsolete entries can be found using:
 
   for f in $(grep -oP '(?<= path=")[^"]*' tools/android/eclipse/.classpath); do
     [[ -e $f ]] || echo $f
   done
 
 Note: this file can be processed as a Jinja2 template to add additional entries
 to the classpath for downstream development. See "additional_entries" below.
 
 {% endblock %} -->
 <classpath>
     <classpathentry kind="src" path="android_webview/glue/java/src"/>
     <classpathentry kind="src" path="android_webview/java/src"/>
     <classpathentry kind="src" path="android_webview/javatests/src"/>
     <classpathentry kind="src" path="android_webview/test/shell/src"/>
     <classpathentry kind="src" path="android_webview/unittestjava/src"/>
+    <classpathentry kind="src" path="android_webview/tools/system_webview_shell/apk/src"/>
+    <classpathentry kind="src" path="android_webview/tools/system_webview_shell/layout_tests/src"/>
     <classpathentry kind="src" path="base/android/java/src"/>
     <classpathentry kind="src" path="base/android/javatests/src"/>
     <classpathentry kind="src" path="base/test/android/javatests/src"/>
     <classpathentry kind="src" path="chrome/android/java/src"/>
     <classpathentry kind="src" path="chrome/android/javatests/src"/>
     <classpathentry kind="src" path="chrome/android/sync_shell/javatests/src"/>
     <classpathentry kind="src" path="chrome/android/junit/src"/>
     <classpathentry kind="src" path="chrome/android/webapk/libs/client/junit/src"/>
     <classpathentry kind="src" path="chrome/android/webapk/libs/client/src"/>
     <classpathentry kind="src" path="chrome/android/webapk/libs/common/src"/>
@@ skipping 181 matching lines @@
             <attribute name="javadoc_location" value="http://developer.android.com/reference/"/>
         </attributes>
     </classpathentry>
     <classpathentry kind="lib" path="third_party/android_tools/sdk/platforms/android-24/data/layoutlib.jar" sourcepath="third_party/android_tools/sdk/sources/"/>
     <classpathentry kind="lib" path="third_party/android_tools/sdk/platforms/android-24/uiautomator.jar" sourcepath="third_party/android_tools/sdk/sources"/>
     <classpathentry kind="lib" path="third_party/android_tools/sdk/extras/android/support/design/libs/android-support-design.jar" sourcepath="third_party/android_tools/sdk/sources"/>
     <classpathentry kind="lib" path="third_party/android_tools/sdk/extras/android/support/v7/mediarouter/libs/android-support-v7-mediarouter.jar" sourcepath="third_party/android_tools/sdk/sources"/>
     <classpathentry kind="lib" path="third_party/android_tools/sdk/extras/android/support/v7/recyclerview/libs/android-support-v7-recyclerview.jar" sourcepath="third_party/android_tools/sdk/sources"/>
     <classpathentry kind="lib" path="third_party/android_tools/sdk/extras/android/support/v13/android-support-v13.jar" sourcepath="third_party/android_tools/sdk/sources"/>
     <classpathentry kind="lib" path="third_party/android_tools/sdk/extras/android/support/v7/appcompat/libs/android-support-v7-appcompat.jar" sourcepath="third_party/android_tools/sdk/sources"/>
+    <classpathentry kind="lib" path="third_party/android_support_test_runner/lib/runner-0.5-release-no-dep.jar"/>
     <classpathentry kind="lib" path="third_party/bouncycastle/lib/bcprov-jdk16-1.46.jar"/>
     <classpathentry kind="lib" path="third_party/byte_buddy/lib/byte-buddy-1.4.17.jar"/>
     <classpathentry kind="lib" path="third_party/findbugs/lib/findbugs.jar"/>
     <classpathentry kind="lib" path="third_party/hamcrest/lib/hamcrest-library-1.3.jar"/>
     <classpathentry kind="lib" path="third_party/intellij/lib/annotations-12.0.jar"/>
     <classpathentry kind="lib" path="third_party/junit/src/lib/hamcrest-core-1.3.jar" sourcepath="third_party/junit/src/lib/hamcrest-core-1.3-sources.jar"/>
     <classpathentry kind="lib" path="third_party/objenesis/lib/objenesis-2.4.jar"/>
     <classpathentry kind="lib" path="third_party/sqlite4java/lib/sqlite4java-0.282.jar"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/cacheinvalidation_proto_java.jar"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/content_java.jar"/>
@@ skipping 57 matching lines @@
     <classpathentry kind="lib" path="out/Debug/lib.java/ui/accessibility/ui_accessibility_java.jar"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/ui/android/ui_java.jar"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/ui/base/mojo/mojo_bindings_java.jar"/>
 
     <!-- {% block additional_entries %} -->
     <!-- When this file is processed as a jinja2 template, additional
          <classpathentry> elements will be inserted here. -->
     <!-- {% endblock %} -->
 
 </classpath>