Revert "WallpaperColors hint computation"

This reverts commit c50f47d970b474371938f33e46b13ae2dd040df0.

Fixes: 79465234
Reason for revert: Google still does it using private APIs and apps were relying on this behavior, not good for the ecosystem.

Change-Id: I62e2b4cd1e6e562fcdd89c97e599bcdade83381a
diff --git a/core/java/android/app/WallpaperColors.java b/core/java/android/app/WallpaperColors.java
index f780703..a2864b9 100644
--- a/core/java/android/app/WallpaperColors.java
+++ b/core/java/android/app/WallpaperColors.java
@@ -137,13 +137,6 @@
      * @param bitmap Source where to extract from.
      */
     public static WallpaperColors fromBitmap(@NonNull Bitmap bitmap) {
-        return fromBitmap(bitmap, false /* computeHints */);
-    }
-
-    /**
-     * @hide
-     */
-    public static WallpaperColors fromBitmap(@NonNull Bitmap bitmap, boolean computeHints) {
         if (bitmap == null) {
             throw new IllegalArgumentException("Bitmap can't be null");
         }
@@ -193,7 +186,7 @@
             }
         }
 
-        int hints = computeHints ? calculateDarkHints(bitmap) : 0;
+        int hints = calculateDarkHints(bitmap);
 
         if (shouldRecycle) {
             bitmap.recycle();