Let Shell modify secondary external storage.

Bug: 11520256
Change-Id: I010a9cf07ff185aefcc2fdb71076d2e97e1f03a3
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index ffb4c20..29e8d1d 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -5,7 +5,6 @@
         >
 
     <!-- Standard permissions granted to the shell. -->
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.SEND_SMS" />
     <uses-permission android:name="android.permission.CALL_PHONE" />
     <uses-permission android:name="android.permission.READ_CONTACTS" />
@@ -64,6 +63,7 @@
     <uses-permission android:name="android.permission.SET_SCREEN_COMPATIBILITY" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_MEDIA_STORAGE" />
     <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS" />
     <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS_FULL" />
     <uses-permission android:name="android.permission.MANAGE_USERS" />