Adding "Mobile data" and "Data usage" button in mobile settings.

Grant "READ_NETWORK_USAGE_HISTORY" permission to phone because
"Datat usage" button summary needs it. Settings provides new
intent to open mobile data usage page.

Bug: 62201918
Test: Manual
Change-Id: Ie317109c723f3946ace4d34c743081a7ae046462
diff --git a/data/etc/privapp-permissions-platform.xml b/data/etc/privapp-permissions-platform.xml
index 8bfb6f3..19cc7b3 100644
--- a/data/etc/privapp-permissions-platform.xml
+++ b/data/etc/privapp-permissions-platform.xml
@@ -147,6 +147,7 @@
         <permission name="android.permission.MANAGE_USERS"/>
         <permission name="android.permission.MODIFY_PHONE_STATE"/>
         <permission name="android.permission.PERFORM_CDMA_PROVISIONING"/>
+        <permission name="android.permission.READ_NETWORK_USAGE_HISTORY"/>
         <permission name="android.permission.READ_PRIVILEGED_PHONE_STATE"/>
         <permission name="android.permission.READ_SEARCH_INDEXABLES"/>
         <permission name="android.permission.REBOOT"/>