Remove DEV_BUILD option

 Bug: 4346867
 This CL changes it so that debug itself is a "sticky" option unless
 it is a release build

Change-Id: Ib2bac358270aaeb4cd3d828f26ea3947c49fb993
diff --git a/res/xml/debug_preferences.xml b/res/xml/debug_preferences.xml
index 50d4c14..5126b0d 100644
--- a/res/xml/debug_preferences.xml
+++ b/res/xml/debug_preferences.xml
@@ -29,4 +29,51 @@
         android:entryValues="@array/pref_development_ua_values"
         android:defaultValue="0"/>
 
+    <!-- The javascript console is enabled by default when the user has
+         also enabled debug mode by navigating to about:debug. -->
+    <CheckBoxPreference
+        android:key="enable_visual_indicator"
+        android:defaultValue="false"
+        android:title="@string/pref_development_visual_indicator" />
+
+    <CheckBoxPreference
+        android:key="javascript_console"
+        android:defaultValue="true"
+        android:title="@string/pref_development_error_console" />
+
+    <CheckBoxPreference
+        android:key="small_screen"
+        android:defaultValue="false"
+        android:title="@string/pref_development_single_column_rendering" />
+
+    <CheckBoxPreference
+        android:key="wide_viewport"
+        android:defaultValue="true"
+        android:title="@string/pref_development_viewport" />
+
+    <CheckBoxPreference
+        android:key="normal_layout"
+        android:defaultValue="false"
+        android:title="@string/pref_development_normal_rendering" />
+
+    <CheckBoxPreference
+        android:key="enable_tracing"
+        android:defaultValue="false"
+        android:title="@string/pref_development_trace" />
+
+    <CheckBoxPreference
+        android:key="enable_light_touch"
+        android:defaultValue="false"
+        android:title="Enable light touch" />
+
+    <CheckBoxPreference
+        android:key="enable_nav_dump"
+        android:defaultValue="false"
+        android:title="@string/pref_development_nav_dump" />
+
+    <EditTextPreference
+        android:key="js_engine_flags"
+        android:title="@string/js_engine_flags"
+        android:singleLine="true" />
+
 </PreferenceScreen>
diff --git a/res/xml/hidden_debug_preferences.xml b/res/xml/hidden_debug_preferences.xml
deleted file mode 100644
index 661d9de..0000000
--- a/res/xml/hidden_debug_preferences.xml
+++ /dev/null
@@ -1,67 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2008 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.
--->
-
-<PreferenceScreen
-        xmlns:android="http://schemas.android.com/apk/res/android" >
-
-    <!-- The javascript console is enabled by default when the user has
-         also enabled debug mode by navigating to about:debug. -->
-    <CheckBoxPreference
-        android:key="enable_visual_indicator"
-        android:defaultValue="false"
-        android:title="@string/pref_development_visual_indicator" />
-
-    <CheckBoxPreference
-        android:key="javascript_console"
-        android:defaultValue="true"
-        android:title="@string/pref_development_error_console" />
-
-    <CheckBoxPreference
-        android:key="small_screen"
-        android:defaultValue="false"
-        android:title="@string/pref_development_single_column_rendering" />
-
-    <CheckBoxPreference
-        android:key="wide_viewport"
-        android:defaultValue="true"
-        android:title="@string/pref_development_viewport" />
-
-    <CheckBoxPreference
-        android:key="normal_layout"
-        android:defaultValue="false"
-        android:title="@string/pref_development_normal_rendering" />
-
-    <CheckBoxPreference
-        android:key="enable_tracing"
-        android:defaultValue="false"
-        android:title="@string/pref_development_trace" />
-
-    <CheckBoxPreference
-        android:key="enable_light_touch"
-        android:defaultValue="false"
-        android:title="Enable light touch" />
-
-    <CheckBoxPreference
-        android:key="enable_nav_dump"
-        android:defaultValue="false"
-        android:title="@string/pref_development_nav_dump" />
-
-    <EditTextPreference
-        android:key="js_engine_flags"
-        android:title="@string/js_engine_flags"
-        android:singleLine="true" />
-
-</PreferenceScreen>