Making Dialer activity optional.

Works beautifully with a device overlay.

Change-Id: Ie036036930dc0a9c1f88c7d3ff2fff82b194f198
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 905e06d..b67b010 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -72,6 +72,7 @@
             android:clearTaskOnLaunch="true"
             android:icon="@drawable/ic_launcher_phone"
             android:screenOrientation="nosensor"
+            android:enabled="@bool/dialerEnabled"
         >
             <intent-filter>
                 <action android:name="android.intent.action.DIAL" />
diff --git a/res/values/donottranslate_config.xml b/res/values/donottranslate_config.xml
index cad2a63..e41e153 100644
--- a/res/values/donottranslate_config.xml
+++ b/res/values/donottranslate_config.xml
@@ -18,6 +18,9 @@
 -->
 
 <resources>
+    <!-- Indicates whether the dialer activity is enabled in the build -->
+    <bool name="dialerEnabled">true</bool>
+
     <!-- Flag indicating whether Contacts app is allowed to import contacts from SDCard -->
     <bool name="config_allow_import_from_sdcard">true</bool>
     <!-- If true, all vcard files are imported from SDCard without asking a user.