Activity Action: Show settings for choosing wallpaper. Do not use directly to construct an intent; instead, use WallpaperManager.GetCropAndSetWallpaperIntent(Android.Net.Uri).
Input: Android.Content.Intent.Data is the URI of the image to crop and set as wallpaper.
Output: RESULT_OK if user decided to crop/set the wallpaper, RESULT_CANCEL otherwise Activities that support this intent should specify a MIME filter of "image/*"