Introduce OemUnlockPreferenceController

- Create new OemUnlockPreferenceController
 - Add new onActivityResult method in DeveloperOptionsController
 - Create controller inside the DashboardFragment
 - Port logic from DevelopmentSettings into the controller

Bug: 34203528
Test: make RunSettingsRoboTests -j40
Change-Id: I0b1387b9547e7c9f2a1a0963421d0ebea55d9ff4

src/com/android/settings/development/DeveloperOptionsPreferenceController.java

@@ -17,6 +17,7 @@
 package com.android.settings.development;
 
 import android.content.Context;
+import android.content.Intent;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
@@ -34,13 +35,29 @@ public abstract class DeveloperOptionsPreferenceController extends
         super(context);
     }
 
+    /**
+     * Called when an activity returns to the DeveloperSettingsDashboardFragment.
+     *
+     * @param requestCode The integer request code originally supplied to
+     *                    startActivityForResult(), allowing you to identify who this
+     *                    result came from.
+     * @param resultCode  The integer result code returned by the child activity
+     *                    through its setResult().
+     * @param data        An Intent, which can return result data to the caller
+     *                    (various data can be attached to Intent "extras").
+     * @return true if the controller handled the activity result
+     */
+    public boolean onActivityResult(int requestCode, int resultCode, Intent data) {
+        return false;
+    }
+
     /**
      * Called when developer options is enabled
      */
     public abstract void onDeveloperOptionsEnabled();
 
     /**
-     *Called when developer options is disabled
+     * Called when developer options is disabled
      */
     public abstract void onDeveloperOptionsDisabled();
 }