Fix a couple small bugs (issue 6539339)

-> Adjusting the character of the 'shake' animation to keep
   a single phase, and instead stagger the animations slightly
-> Fixing issue where widget is not given the size change callback
   if the widget is resized on drop

Change-Id: I9cd9e6cd39009d9e5c70e745812b6ece71b845ee

src/com/android/launcher2/Workspace.java

@@ -2194,6 +2194,9 @@ public class Workspace extends SmoothPagedView
                     resizeOnDrop = true;
                     item.spanX = resultSpan[0];
                     item.spanY = resultSpan[1];
+                    AppWidgetHostView awhv = (AppWidgetHostView) cell;
+                    AppWidgetResizeFrame.updateWidgetSizeRanges(awhv, mLauncher, resultSpan[0],
+                            resultSpan[1]);
                 }
 
                 if (mCurrentPage != screen && !hasMovedIntoHotseat) {