Reverting refactoring of Folder and FolderIcon to avoid dependencies breakage

Change-Id: Ifd0d717d70aff4c83c9eb5cba397d04500b2c869
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 5832b9f..9370e57 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -32,7 +32,6 @@
 import android.graphics.Rect;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.graphics.drawable.GradientDrawable;
 import android.graphics.drawable.TransitionDrawable;
 import android.os.Build;
 import android.os.Parcelable;
@@ -54,8 +53,7 @@
 import com.android.launcher3.accessibility.WorkspaceAccessibilityHelper;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.config.ProviderConfig;
-import com.android.launcher3.folder.FolderIcon;
-import com.android.launcher3.folder.FolderIcon.FolderRingAnimator;
+import com.android.launcher3.FolderIcon.FolderRingAnimator;
 import com.android.launcher3.util.ParcelableSparseArray;
 import com.android.launcher3.util.Thunk;