Move LocationSettings to top level page.

- Create some location icons for different scenario.
- Remove Location in Security page.
- Move Location Setting to top level page.

Test: robotest, visual
Bug: 116628158
Change-Id: I3f57ef49a396877bfbeaefea7dc4f4051e0ccc65
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index aa98c62..efa57de 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1161,7 +1161,7 @@
         <activity
             android:name="Settings$LocationSettingsActivity"
             android:label="@string/location_settings_title"
-            android:icon="@drawable/ic_settings_location"
+            android:icon="@drawable/ic_homepage_location"
             android:configChanges="orientation|keyboardHidden|screenSize"
             android:parentActivityName="Settings">
             <intent-filter android:priority="1">
@@ -1180,7 +1180,7 @@
         <activity
             android:name="Settings$ScanningSettingsActivity"
             android:label="@string/location_scanning_screen_title"
-            android:icon="@drawable/ic_settings_location"
+            android:icon="@drawable/ic_homepage_location"
             android:configChanges="orientation|keyboardHidden|screenSize"
             android:parentActivityName="Settings">
             <intent-filter android:priority="1">