am ba1307b2: Merge changes Ib255e49f,Ifc33cdf7 into lmp-mr1-dev

* commit 'ba1307b2b42b60893c88622f41f99efa2356350d':
  Ensuring that the alpha and translation animation durations are the same. (Bug 18609321)
  Fix crash when user is both scrolling and tabbing through Recents. (Bug 18552776)