Refactoring fast scroller.

- Fixing issue with fast scroller not fitting name width.
- Refactoring fast scrolling/scroll bar code out of base recycler view
- Adding animations to fast scroller to match design
- Smooth scrolling when jumping between app rows
- Fixing issue with fast scroller jumping when you first pick it up
- Fixing issue with wrong background paddings being used

Bug: 21874346
Bug: 22031923
Change-Id: I9f011b1f375751f437604b900e95a2942d3f4601
diff --git a/proguard.flags b/proguard.flags
index 7ec488b..6a9d6f3 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -1,19 +1,29 @@
+-keep class com.android.launcher3.BaseRecyclerViewFastScrollBar {
+  public void setWidth(int);
+  public int getWidth();
+  public void setTrackAlpha(int);
+  public int getTrackAlpha();
+}
+
+-keep class com.android.launcher3.BaseRecyclerViewFastScrollPopup {
+  public void setAlpha(float);
+  public float getAlpha();
+}
+
+-keep class com.android.launcher3.BubbleTextView {
+  public void setFastScrollFocus(float);
+  public float getFastScrollFocus();
+}
+
+-keep class com.android.launcher3.ButtonDropTarget {
+  public int getTextColor();
+}
+
 -keep class com.android.launcher3.CellLayout {
   public float getBackgroundAlpha();
   public void setBackgroundAlpha(float);
 }
 
--keep class com.android.launcher3.DragLayer$LayoutParams {
-  public void setWidth(int);
-  public int getWidth();
-  public void setHeight(int);
-  public int getHeight();
-  public void setX(int);
-  public int getX();
-  public void setY(int);
-  public int getY();
-}
-
 -keep class com.android.launcher3.CellLayout$LayoutParams {
   public void setWidth(int);
   public int getWidth();
@@ -25,9 +35,20 @@
   public int getY();
 }
 
--keep class com.android.launcher3.Workspace {
-  public float getBackgroundAlpha();
-  public void setBackgroundAlpha(float);
+-keep class com.android.launcher3.DragLayer$LayoutParams {
+  public void setWidth(int);
+  public int getWidth();
+  public void setHeight(int);
+  public int getHeight();
+  public void setX(int);
+  public int getX();
+  public void setY(int);
+  public int getY();
+}
+
+-keep class com.android.launcher3.FastBitmapDrawable {
+  public int getBrightness();
+  public void setBrightness(int);
 }
 
 -keep class com.android.launcher3.MemoryDumpActivity {
@@ -39,16 +60,7 @@
   public void setAnimationProgress(float);
 }
 
--keep class com.android.launcher3.FastBitmapDrawable {
-  public int getBrightness();
-  public void setBrightness(int);
-}
-
--keep class com.android.launcher3.BaseRecyclerView {
-  public void setFastScrollerAlpha(float);
-  public float getFastScrollerAlpha();
-}
-
--keep class com.android.launcher3.ButtonDropTarget {
-  public int getTextColor();
-}
+-keep class com.android.launcher3.Workspace {
+  public float getBackgroundAlpha();
+  public void setBackgroundAlpha(float);
+}
\ No newline at end of file