Update voice interaction animation

ui/gfx/animation/tween.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gfx/animation/tween.h"
 
 #include <math.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 43 matching lines @@
 
     case SMOOTH_IN_OUT:
       return sin(state);
 
     case FAST_OUT_SLOW_IN:
       return gfx::CubicBezier(0.4, 0, 0.2, 1).Solve(state);
 
     case LINEAR_OUT_SLOW_IN:
       return gfx::CubicBezier(0, 0, .2, 1).Solve(state);
 
+    case SLOW_OUT_LINEAR_IN:
+      return gfx::CubicBezier(0, 0, 1, .2).Solve(state);
+
     case FAST_OUT_LINEAR_IN:
       return gfx::CubicBezier(0.4, 0, 1, 1).Solve(state);
 
     case ZERO:
       return 0;
   }
 
   NOTREACHED();
   return state;
 }
@@ skipping 117 matching lines @@
   if (value <= 0.0)
     return start_transform;
 
   gfx::Transform to_return = end_transform;
   to_return.Blend(start_transform, value);
 
   return to_return;
 }
 
 }  // namespace gfx