Add DEVICE_LOCK permission to Shell to support ATS test

Adds DEVICE_LOCK permission to Shell to support the
CarDevicePolicyManagerTest. This permission is needed to call
DevicePolicyManager#lockNow  which locks the device.

Bug: 187199256
Test: atest CarDevicePolicyManagerTest
Change-Id: I3fa20b53b929c97a6760d65b432a74c3415d6a08
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index abd010d..ff37702 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -592,6 +592,9 @@
     <!-- Permission required for CTS test - SettingsMultiPaneDeepLinkTest -->
     <uses-permission android:name="android.permission.LAUNCH_MULTI_PANE_SETTINGS_DEEP_LINK" />
 
+    <!-- Permission required for ATS test - CarDevicePolicyManagerTest -->
+    <uses-permission android:name="android.permission.LOCK_DEVICE" />
+
     <application android:label="@string/app_label"
                 android:theme="@android:style/Theme.DeviceDefault.DayNight"
                 android:defaultToDeviceProtectedStorage="true"