Add READ_DREAM_STATE to the settings list

Settings application needs the previleged permission to
get AoD supression status by using PowerManager API

Bug: 173425264
Change-Id: I5da006b7c88dc36d3eefebc559f2a2f3ab50823f
Test: Manual & bootup device
(cherry picked from commit 8a888b9745f0483dbb80131ae15bf92b189af07b)
Merged-In: I5da006b7c88dc36d3eefebc559f2a2f3ab50823f
diff --git a/data/etc/com.android.settings.xml b/data/etc/com.android.settings.xml
index fe1182e..e473c55 100644
--- a/data/etc/com.android.settings.xml
+++ b/data/etc/com.android.settings.xml
@@ -56,5 +56,7 @@
         <permission name="android.permission.WRITE_SECURE_SETTINGS"/>
         <permission name="android.permission.CONTROL_DISPLAY_COLOR_TRANSFORMS" />
         <permission name="android.permission.INSTALL_DYNAMIC_SYSTEM"/>
+        <permission name="android.permission.READ_DREAM_STATE"/>
+        <permission name="android.permission.READ_DREAM_SUPPRESSION"/>
     </privapp-permissions>
 </permissions>