Disable AddItemActivity on Android Go devices.

Android Go doesn't support adding shortcuts to home screen.
Bug: 112904271
Test: Manual test

Change-Id: I28b20d0d9e5b5e7e91c16ca3ea355bb0c3984c42
diff --git a/go/AndroidManifest.xml b/go/AndroidManifest.xml
index 0a9ad7b..0080898 100644
--- a/go/AndroidManifest.xml
+++ b/go/AndroidManifest.xml
@@ -36,16 +36,14 @@
         android:restoreAnyVersion="true"
         android:supportsRtl="true" >
 
-        <!-- Activity for handling PinItemRequest. Only supports shortcuts -->
+        <!-- Activity for handling PinItemRequest is disabled on Android Go. -->
         <activity android:name="com.android.launcher3.dragndrop.AddItemActivity"
             android:theme="@android:style/Theme.DeviceDefault.Light.Dialog.Alert"
             android:excludeFromRecents="true"
             android:autoRemoveFromRecents="true"
             android:label="@string/action_add_to_workspace"
+            android:enabled="false"
             tools:node="replace" >
-            <intent-filter>
-                <action android:name="android.content.pm.action.CONFIRM_PIN_SHORTCUT" />
-            </intent-filter>
         </activity>
 
     </application>
diff --git a/go/res/layout/widget_cell_content.xml b/go/res/layout/widget_cell_content.xml
deleted file mode 100644
index 49506d9..0000000
--- a/go/res/layout/widget_cell_content.xml
+++ /dev/null
@@ -1,66 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- 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.
--->
-<merge xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="wrap_content"
-    android:layout_height="wrap_content">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:paddingTop="@dimen/widget_preview_label_vertical_padding"
-        android:paddingBottom="@dimen/widget_preview_label_vertical_padding"
-        android:paddingLeft="@dimen/widget_preview_label_horizontal_padding"
-        android:paddingRight="@dimen/widget_preview_label_horizontal_padding"
-        android:orientation="horizontal">
-
-        <!-- The name of the widget. -->
-        <TextView
-            android:id="@+id/widget_name"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:ellipsize="end"
-            android:fadingEdge="horizontal"
-            android:fontFamily="sans-serif-condensed"
-            android:gravity="center"
-            android:singleLine="true"
-            android:maxLines="1"
-            android:textColor="?android:attr/textColorSecondary"
-            android:textSize="14sp" />
-
-        <!-- The original dimensions of the widget (can't be the same text as above due to different
-             style. -->
-        <TextView
-            android:id="@+id/widget_dims"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="5dp"
-            android:layout_marginLeft="5dp"
-            android:visibility="gone"
-            android:textColor="?android:attr/textColorSecondary"
-            android:textSize="14sp"
-            android:fontFamily="sans-serif-condensed"
-            android:alpha="0.8" />
-    </LinearLayout>
-
-    <!-- The image of the widget. This view does not support padding. Any placement adjustment
-         should be done using margins. -->
-    <com.android.launcher3.widget.WidgetImageView
-        android:id="@+id/widget_preview"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="1" />
-</merge>
\ No newline at end of file