Applied some minor UI changes (see below)

+ Changed wifi icons to teal
+ Removed “Secured with …” from network status
+ Added an empty state image above text when Wi-Fi is off
+ Removed Wi-Fi Direct and WPS Push button from overflow menu
+ Added Wi-Fi Direct and WPS Push button to Advance Activity
+ Input Password Dialog: Moved Signal Strength and Security to Advance
+ Input Password Dialog: Updated Password text to Material style

BugId: #15698824 #15702808
Change-Id: I542ab9aac2c098738330c92d9183d3907c4f0b38

res/layout/wifi_dialog.xml

@@ -148,6 +148,8 @@
                        style="@style/wifi_item" >
                 <TextView
                         style="@style/wifi_item_label"
+                        android:textAppearance="@android:style/TextAppearance.Material.Body2"
+                        android:textColor="?android:attr/colorAccent"
                         android:text="@string/wifi_password" />
 
                 <EditText android:id="@+id/password"

res/values/strings.xml

@@ -1255,6 +1255,11 @@
     <string name="wifi_display_listen_channel" translatable="false">Listen channel</string>
     <!-- Wifi Display settings. The dropdown menu title for choosing operating channel during certification process. [CHAR LIMIT=40] -->
     <string name="wifi_display_operating_channel" translatable="false">Operating channel</string>
+    <!-- Wifi 2.4GHz is used as an universal itendifier for 2.4GHz band -->
+    <string name="wifi_band_24ghz" translatable="false">2.4GHz</string>
+    <!-- Wifi Internal 5GHz as an universal itendifier for 5GHz band -->
+    <string name="wifi_band_5ghz" translatable="false">5GHz</string>
+
 
     <!-- NFC settings -->
     <!-- Used in the 1st-level settings screen to turn on NFC -->

res/values/themes.xml

@@ -79,7 +79,7 @@
         <item name="ic_menu_add">@drawable/ic_menu_add_dark</item>
         <item name="ic_menu_moreoverflow">@*android:drawable/ic_menu_moreoverflow_holo_dark</item>
         <item name="ic_wps">@drawable/ic_wps_dark</item>
-        <item name="wifi_signal">@drawable/wifi_signal_dark</item>
+        <item name="wifi_signal">@drawable/wifi_signal_light</item>
 
         <item name="@*android:actionBarSize">@dimen/actionbar_size</item>
 

res/xml/wifi_advanced_settings.xml

@@ -58,6 +58,16 @@
             android:title="@string/wifi_install_credentials"
             android:persistent="false" />
 
+    <Preference
+            android:key="wifi_direct"
+            android:title="@string/wifi_menu_p2p"
+            android:persistent="false" />
+
+    <Preference
+            android:key="wps_push_button"
+            android:title="@string/wifi_menu_wps_pbc"
+            android:persistent="false" />
+
     <CheckBoxPreference
             android:key="suspend_optimizations"
             android:title="@string/wifi_suspend_optimizations"