Blimp settings UI integration for Chrome, everything still lives in Blimp.

blimp/client/core/android/java/src/org/chromium/blimp/core/settings/PreferencesUtil.java

Index: blimp/client/core/android/java/src/org/chromium/blimp/core/settings/PreferencesUtil.java
diff --git a/blimp/client/core/android/java/src/org/chromium/blimp/core/settings/PreferencesUtil.java b/blimp/client/core/android/java/src/org/chromium/blimp/core/settings/PreferencesUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..e1c5269663e0ca14c6e70a1a3801d9482fc0eb06
--- /dev/null
+++ b/blimp/client/core/android/java/src/org/chromium/blimp/core/settings/PreferencesUtil.java
@@ -0,0 +1,25 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.blimp.core.settings;
+
+import org.chromium.base.ContextUtils;
+
+/**
+ * Blimp preferences utilities.
+ */
+public class PreferencesUtil {
+    private static final String DEFAULT_ASSIGNER_URL =
+            "https://dev-blimp-pa.sandbox.googleapis.com/v1/assignment";
+
+    /**
+     * Reads the last used assigner from shared preference.
+     * @return The saved value of assigner preference, or the default development assigner URL
+     * if we didn't find the shared preference.
+     */
+    public static String getLastUsedAssigner() {
+        return ContextUtils.getAppSharedPreferences().getString(
+                AboutBlimpPreferences.PREF_ASSIGNER_URL, DEFAULT_ASSIGNER_URL);
+    }
+}