Update the summary of AoD when Bedtime mode is on

Since Bedtime mode can suppress AoD, after reviewed by UX, we decide
update the summary to "Unavailable because Bedtime mode is on" when AoD
is suppressed by Bedtime mode.

Bug: 168790245
Test: manual & robotest
Change-Id: Id2511cb0ad93b44f6bf701a707b7ddef9438653d
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 82088b2..c9f4643 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -103,6 +103,8 @@
     <uses-permission android:name="android.permission.INSTALL_DYNAMIC_SYSTEM" />
     <uses-permission android:name="android.permission.BIND_CELL_BROADCAST_SERVICE" />
     <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
+    <uses-permission android:name="android.permission.READ_DREAM_STATE" />
+    <uses-permission android:name="android.permission.READ_DREAM_SUPPRESSION" />
 
     <application android:label="@string/settings_label"
             android:icon="@drawable/ic_launcher_settings"