Upstream: Enable proguard on WebApk.template.apk in release mode

chrome/android/webapk/shell_apk/AndroidManifest.xml

Index: chrome/android/webapk/shell_apk/AndroidManifest.xml
diff --git a/chrome/android/webapk/shell_apk/AndroidManifest.xml b/chrome/android/webapk/shell_apk/AndroidManifest.xml
index 68f9c309120cc13eaa76a5a6bac2996cf735ccef..4fd67d74a7dae20eb21515c37ba8e2eaf508ff2d 100644
--- a/chrome/android/webapk/shell_apk/AndroidManifest.xml
+++ b/chrome/android/webapk/shell_apk/AndroidManifest.xml
@@ -4,6 +4,7 @@
      found in the LICENSE file.
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="{{ manifest_package }}"
     android:versionCode="1"
     android:versionName="1.0" >
@@ -26,7 +27,7 @@
                 <action android:name="android.intent.action.VIEW"></action>
                 <category android:name="android.intent.category.DEFAULT"></category>
                 <category android:name="android.intent.category.BROWSABLE"></category>
-                <data android:scheme="https" android:host="{{ scope_url_host }}" android:pathPrefix=""></data>
+                <data android:scheme="https" android:host="{{ scope_url_host }}" android:pathPrefix="/"></data>

[Xi Han, 2016/06/10 18:54:33]

Have you verified that this working?

[pkotwicz, 2016/06/10 20:16:00]

I have :)

             </intent-filter>
         </activity>
         <meta-data android:name="runtimeHost" android:value="{{ runtime_host }}" />
@@ -34,7 +35,8 @@
         <meta-data android:name="scope" android:value="{{ scope_url }}" />
         <service
             android:name="org.chromium.webapk.shell_apk.WebApkServiceFactory"
-            android:exported="true">
+            android:exported="true"
+            tools:ignore="ExportedService">
             <intent-filter>
               <action android:name="android.intent.action.MAIN" />
               <category android:name="android.intent.category.WEBAPK_API" />