Introduce BuildNumberDialogController

- Create a controller to display data and for the
  build number field in FirmwareVersionDialogFragment

Bug: 36458278
Test: make RunSettingsRoboTests -j40
Change-Id: Ie283981d6e7ed519df1a77fd21158feb37f0efd8

src/com/android/settings/deviceinfo/firmwareversion/BuildNumberDialogController.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+package com.android.settings.deviceinfo.firmwareversion;
+
+import android.os.Build;
+import android.support.annotation.VisibleForTesting;
+import android.text.BidiFormatter;
+
+import com.android.settings.R;
+
+public class BuildNumberDialogController {
+
+    @VisibleForTesting
+    static final int BUILD_NUMBER_VALUE_ID = R.id.build_number_value;
+
+    private final FirmwareVersionDialogFragment mDialog;
+
+    public BuildNumberDialogController(FirmwareVersionDialogFragment dialog) {
+        mDialog = dialog;
+    }
+
+    /**
+     * Updates the build number to the dialog.
+     */
+    public void initialize() {
+        mDialog.setText(BUILD_NUMBER_VALUE_ID,
+                BidiFormatter.getInstance().unicodeWrap(Build.DISPLAY));
+    }
+}

src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogFragment.java

@@ -88,5 +88,6 @@ public class FirmwareVersionDialogFragment extends InstrumentedDialogFragment {
         new SecurityPatchLevelDialogController(this).initialize();
         new BasebandVersionDialogController(this).initialize();
         new KernelVersionDialogController(this).initialize();
+        new BuildNumberDialogController(this).initialize();
     }
 }