Allow shell to disable keyguard when not secure

Bug: 22694837
Change-Id: I0f08048f617d064017468f331a5c6875ab27174b
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index d785cca..b9daf59 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -39,6 +39,7 @@
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.EXPAND_STATUS_BAR" />
+    <uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
     <!-- System tool permissions granted to the shell. -->
     <uses-permission android:name="android.permission.REAL_GET_TASKS" />
     <uses-permission android:name="android.permission.CHANGE_CONFIGURATION" />