Add recovery permission to Settings app

Settings app needs to retrieve and publish update info from
SystemUpdateManager. This is needed to install 16k developer option
update which enables users to use 16K kernel from local OTAs.

Test: m Settings && adb install -r $ANDROID_PRODUCT_OUT/system_ext/priv-app/Settings/Settings.apk
Bug: 302391134
Bug: 295035851
Change-Id: I89e30a8fc7e753f41c70e3ddbf759fb63ea97bd5

data/etc/com.android.settings.xml

@@ -48,6 +48,7 @@
         <permission name="android.permission.READ_PRIVILEGED_PHONE_STATE"/>
         <permission name="android.permission.READ_SEARCH_INDEXABLES"/>
         <permission name="android.permission.REBOOT"/>
+        <permission name="android.permission.RECOVERY"/>
         <permission name="android.permission.STATUS_BAR"/>
         <permission name="android.permission.SUGGEST_MANUAL_TIME_AND_ZONE"/>
         <permission name="android.permission.TETHER_PRIVILEGED"/>