Launch help with system default theme

Fixes: 150651499
Test: Settings -> Battery -> click up right corner question icon, a
      help activity with system light/dark theme will be displayed
Change-Id: I58bfa6eee8af055d7aacb214b14cb50354a53853
diff --git a/packages/SettingsLib/HelpUtils/src/com/android/settingslib/HelpUtils.java b/packages/SettingsLib/HelpUtils/src/com/android/settingslib/HelpUtils.java
index a77683d..541a246 100644
--- a/packages/SettingsLib/HelpUtils/src/com/android/settingslib/HelpUtils.java
+++ b/packages/SettingsLib/HelpUtils/src/com/android/settingslib/HelpUtils.java
@@ -24,7 +24,6 @@
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.Resources;
-import android.content.res.TypedArray;
 import android.net.Uri;
 import android.provider.Settings.Global;
 import android.text.TextUtils;
@@ -63,7 +62,6 @@
     // Constants for help intents.
     private static final String EXTRA_CONTEXT = "EXTRA_CONTEXT";
     private static final String EXTRA_THEME = "EXTRA_THEME";
-    private static final String EXTRA_PRIMARY_COLOR = "EXTRA_PRIMARY_COLOR";
     private static final String EXTRA_BACKUP_URI = "EXTRA_BACKUP_URI";
 
     /**
@@ -216,10 +214,7 @@
             intent.putExtra(feedbackIntentExtraKey, packageNameKey);
             intent.putExtra(feedbackIntentNameKey, packageNameValue);
         }
-        intent.putExtra(EXTRA_THEME, 0 /* Light theme */);
-        TypedArray array = context.obtainStyledAttributes(new int[]{android.R.attr.colorPrimary});
-        intent.putExtra(EXTRA_PRIMARY_COLOR, array.getColor(0, 0));
-        array.recycle();
+        intent.putExtra(EXTRA_THEME, 3 /* System Default theme */);
     }
 
     /**