Adding notion of fullscreen page to PagedView

-> This will be used for appending custom content to the left of the workspace
-> Stripped out a bunch of dead code related to notion of layout scale in PagedView

Change-Id: If4dbe28431cb5fb60dc170f6ee6e55a649dac45e
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index d1284d8..57e0cbf 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -50,6 +50,7 @@
 import android.database.ContentObserver;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
+import android.graphics.Color;
 import android.graphics.PorterDuff;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
@@ -68,16 +69,31 @@
 import android.text.TextUtils;
 import android.text.method.TextKeyListener;
 import android.util.Log;
-import android.util.Pair;
-import android.view.*;
+import android.view.Display;
+import android.view.Gravity;
+import android.view.HapticFeedbackConstants;
+import android.view.KeyEvent;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MotionEvent;
+import android.view.Surface;
+import android.view.View;
 import android.view.View.OnLongClickListener;
+import android.view.ViewGroup;
+import android.view.ViewTreeObserver;
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
+import android.view.WindowManager;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.animation.AccelerateDecelerateInterpolator;
 import android.view.animation.AccelerateInterpolator;
 import android.view.animation.DecelerateInterpolator;
 import android.view.inputmethod.InputMethodManager;
-import android.widget.*;
+import android.widget.Advanceable;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
 
 import com.android.launcher3.DropTarget.DragObject;
 
@@ -93,7 +109,6 @@
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Set;