Revert "Clean up android_webview build scripts"

android_webview/java/android_webview_apk.xml

Index: android_webview/java/android_webview_apk.xml
diff --git a/android_webview/java/android_webview_apk.xml b/android_webview/java/android_webview_apk.xml
index 81f4224408beddc23856665e5ef69932b647bdd4..f283c19b609c0093178e5d3fde0a71e13d22f1c9 100644
--- a/android_webview/java/android_webview_apk.xml
+++ b/android_webview/java/android_webview_apk.xml
@@ -20,7 +20,12 @@
   <property name="asset.absolute.dir" location="${out.dir}/assets"/>
 
   <path id="out.dex.jar.input.ref">
-    <filelist files="${INPUT_JARS_PATHS}"/>
+    <fileset file="${out.dir}/java/libs/chromium_base.jar"/>
+    <fileset file="${out.dir}/java/libs/chromium_chrome.jar"/>
+    <fileset file="${out.dir}/java/libs/chromium_content.jar"/>
+    <fileset file="${out.dir}/java/libs/chromium_media.jar"/>
+    <fileset file="${out.dir}/java/libs/chromium_net.jar"/>
+    <fileset file="${out.dir}/java/libs/chromium_web_contents_delegate_android.jar"/>
   </path>
   <property name="java.compilerargs" value="-classpath ${toString:out.dex.jar.input.ref}"/>