Make on-screen keyboard settings support tab layout

Introduces following fragments for work flow.

- Add ProfileSelectKeyboardFragment which used to display
  personal/work fragment when user has work profile.
- Introduce UserAwareContext in AvailableVirtualKeyboardFragment
  to support personal/work user installed input methods handling.

Bug: 174360557
Bug: 197707782
Test: Manual test as bug video
Change-Id: I1019e375c5d42de7bc7c048d5d66e8e2f58acce8

src/com/android/settings/dashboard/profileselector/ProfileFragmentBridge.java

@@ -21,6 +21,7 @@ import android.util.ArrayMap;
 import com.android.settings.accounts.AccountDashboardFragment;
 import com.android.settings.applications.manageapplications.ManageApplications;
 import com.android.settings.deviceinfo.StorageDashboardFragment;
+import com.android.settings.inputmethod.AvailableVirtualKeyboardFragment;
 import com.android.settings.location.LocationServices;
 import com.android.settings.location.RecentLocationAccessSeeAllFragment;
 
@@ -49,5 +50,7 @@ public class ProfileFragmentBridge {
                 ProfileSelectLocationServicesFragment.class.getName());
         FRAGMENT_MAP.put(StorageDashboardFragment.class.getName(),
                 ProfileSelectStorageFragment.class.getName());
+        FRAGMENT_MAP.put(AvailableVirtualKeyboardFragment.class.getName(),
+                ProfileSelectKeyboardFragment.class.getName());
     }
 }

src/com/android/settings/dashboard/profileselector/ProfileSelectKeyboardFragment.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2021 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.dashboard.profileselector;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import com.android.settings.R;
+import com.android.settings.inputmethod.AvailableVirtualKeyboardFragment;
+
+/**
+ * When current user has work profile, this fragment used following fragments to represent the
+ * on-screen keyboard settings page.
+ *
+ * <p>{@link AvailableVirtualKeyboardFragment} used to show both of personal/work user installed
+ * IMEs.</p>
+ */
+public final class ProfileSelectKeyboardFragment extends ProfileSelectFragment {
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.available_virtual_keyboard;
+    }
+
+    @Override
+    public Fragment[] getFragments() {
+        final Bundle personalOnly = new Bundle();
+        personalOnly.putInt(EXTRA_PROFILE, ProfileType.PERSONAL);
+        final Fragment personalFragment = new AvailableVirtualKeyboardFragment();
+        personalFragment.setArguments(personalOnly);
+
+        final Bundle workOnly = new Bundle();
+        workOnly.putInt(EXTRA_PROFILE, ProfileType.WORK);
+        final Fragment workFragment = new AvailableVirtualKeyboardFragment();
+        workFragment.setArguments(workOnly);
+
+        return new Fragment[]{
+                personalFragment,
+                workFragment
+        };
+    }
+}