add post_notification permission to manifest
so the package can send notifications on T+

Bug: 194833441
Change-Id: Ie10df35cd9d07e0012eaf286a2a9b947c68b1864
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index b055c1a..6871910 100755
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -50,6 +50,7 @@
     <uses-permission android:name="android.permission.WRITE_SETTINGS" />
     <uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS" />
     <uses-permission android:name="com.android.gallery3d.permission.GALLERY_PROVIDER" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <!-- add for guest to set system property -->