Modify Power Widget Gps Icon To Represent Location.

Instead of directly controlling gps on/off, it will
control master location switch on/off.

Change-Id: I12a20fb77c12b5099172167821ff7ed00ba9ea7c

res/layout/widget.xml

@@ -95,7 +95,7 @@
         />
 
     <LinearLayout
-        android:id="@+id/btn_gps"
+        android:id="@+id/btn_location"
         android:layout_width="0dip"
         android:layout_weight="1"
         android:layout_height="match_parent"
@@ -106,7 +106,7 @@
         android:orientation="vertical">
 
         <ImageView
-            android:id="@+id/img_gps"
+            android:id="@+id/img_location"
             android:layout_width="match_parent"
             android:layout_height="0dip"
             android:layout_weight="1"
@@ -115,7 +115,7 @@
             />
 
         <ImageView
-            android:id="@+id/ind_gps"
+            android:id="@+id/ind_location"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:scaleType="fitXY"

res/values/strings.xml

@@ -3694,8 +3694,8 @@
     <string name="gadget_wifi">Wi\u2011Fi</string>
     <!-- Spoken description for the Bluetooth power control gadget. -->
     <string name="gadget_bluetooth">Bluetooth</string>
-    <!-- Spoken description for the GPS power control gadget. -->
-    <string name="gadget_gps">GPS</string>
+    <!-- Spoken description for the Location power control gadget. -->
+    <string name="gadget_location">Location</string>
     <!-- Spoken description for the data synchronization gadget. -->
     <string name="gadget_sync">Sync</string>
     <!-- Template for brightness gadget toggle button description. -->