Merging from ub-launcher3-master @ build 6665145 am: 01adf9b8a5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/12115221

Change-Id: I7e3d0d325ef73f3bd006dd6d007913f20e222b91
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 1bcacab..d5f3c8b 100755
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -25,6 +25,7 @@
             android:name="com.android.customization.picker.CustomizationPickerActivity"
             android:label="@string/app_name"
             android:resizeableActivity="false"
+            android:exported="true"
             android:theme="@style/CustomizationTheme.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.SET_WALLPAPER"/>