PT-BR: Added missing translations

Change-Id: Ieb7adaad6c52f984342c24e37755728efde550d6

overlay/tablet/frameworks/base/core/res/res/values-pt/strings.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="power_dialog">Confirações do tablet</string>
+    <string name="reboot_system">Reiniciar tablet</string>
+    <string name="shutdown_confirm">Seu tablet irá desligar.</string>
+    <string name="reboot_confirm">Seu tablet irá reiniciar.</string>
+    <string name="global_actions">Configurações do tablet</string>
+</resources>

overlay/tablet/packages/apps/Settings/res/values-pt/strings.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2007 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <!-- Main settings screen, setting title for the user to go into the About phone screen -->
+    <string name="about_settings">Sobre tablet</string>
+
+</resources>
+