Set permission [UN]INSTALL_SHORTCUT protectionLevel to 'dangerous'

Bug: 5543177
Change-Id: I8b4f1899bc898ae95f9bca004e6fa959ee078903
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 80c8ba6..c13bd3b 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -30,13 +30,13 @@
     <permission
         android:name="com.android.launcher.permission.INSTALL_SHORTCUT"
         android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
-        android:protectionLevel="normal"
+        android:protectionLevel="dangerous"
         android:label="@string/permlab_install_shortcut"
         android:description="@string/permdesc_install_shortcut" />
     <permission
         android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT"
         android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
-        android:protectionLevel="normal"
+        android:protectionLevel="dangerous"
         android:label="@string/permlab_uninstall_shortcut"
         android:description="@string/permdesc_uninstall_shortcut"/>
     <permission